Home / 742,363.31-1,024,464.11-402,831.56

Finding the Fourth Proportional to 742,363.31, 1,024,464.11 and 402,831.56

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Solution

The fourth proportional to 742,363.31, 1,024,464.11 and 402,831.56 is: 555,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,363.31 : 1,024,464.11 = 402,831.56 : x
  2. Step 2: Convert to fraction form
    742,363.31/1,024,464.11 = 402,831.56/x
  3. Step 3: Cross multiply
    742,363.31x = 1,024,464.11 × 402,831.56
  4. Step 4: Simplify right side
    742,363.31x = 412,686,476,142.31
  5. Step 5: Solve for x
    x = 412,686,476,142.31/742,363.31
  6. Step 6: Final answer
    x = 555,909.04

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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.