Home / 742,113.96-1,024,119.84-402,584.64

Finding the Fourth Proportional to 742,113.96, 1,024,119.84 and 402,584.64

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Solution

The fourth proportional to 742,113.96, 1,024,119.84 and 402,584.64 is: 555,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,113.96 : 1,024,119.84 = 402,584.64 : x
  2. Step 2: Convert to fraction form
    742,113.96/1,024,119.84 = 402,584.64/x
  3. Step 3: Cross multiply
    742,113.96x = 1,024,119.84 × 402,584.64
  4. Step 4: Simplify right side
    742,113.96x = 412,294,917,103.26
  5. Step 5: Solve for x
    x = 412,294,917,103.26/742,113.96
  6. Step 6: Final answer
    x = 555,568.20

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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.