Home / 742,425.44-1,024,547.08-402,893.69

Finding the Fourth Proportional to 742,425.44, 1,024,547.08 and 402,893.69

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Solution

The fourth proportional to 742,425.44, 1,024,547.08 and 402,893.69 is: 555,993.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,425.44 : 1,024,547.08 = 402,893.69 : x
  2. Step 2: Convert to fraction form
    742,425.44/1,024,547.08 = 402,893.69/x
  3. Step 3: Cross multiply
    742,425.44x = 1,024,547.08 × 402,893.69
  4. Step 4: Simplify right side
    742,425.44x = 412,783,551,625.46
  5. Step 5: Solve for x
    x = 412,783,551,625.46/742,425.44
  6. Step 6: Final answer
    x = 555,993.27

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Half scale
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Double scale
Find fourth proportional to 742,426.44, 1,024,548.45 and 402,894.69
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.