Home / 742,425.36-1,024,547.65-402,893.61

Finding the Fourth Proportional to 742,425.36, 1,024,547.65 and 402,893.61

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Solution

The fourth proportional to 742,425.36, 1,024,547.65 and 402,893.61 is: 555,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,425.36 : 1,024,547.65 = 402,893.61 : x
  2. Step 2: Convert to fraction form
    742,425.36/1,024,547.65 = 402,893.61/x
  3. Step 3: Cross multiply
    742,425.36x = 1,024,547.65 × 402,893.61
  4. Step 4: Simplify right side
    742,425.36x = 412,783,701,325.52
  5. Step 5: Solve for x
    x = 412,783,701,325.52/742,425.36
  6. Step 6: Final answer
    x = 555,993.54

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Double scale
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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.