Home / 729,466.18-1,006,831.29-427,757.38

Finding the Fourth Proportional to 729,466.18, 1,006,831.29 and 427,757.38

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Solution

The fourth proportional to 729,466.18, 1,006,831.29 and 427,757.38 is: 590,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,466.18 : 1,006,831.29 = 427,757.38 : x
  2. Step 2: Convert to fraction form
    729,466.18/1,006,831.29 = 427,757.38/x
  3. Step 3: Cross multiply
    729,466.18x = 1,006,831.29 × 427,757.38
  4. Step 4: Simplify right side
    729,466.18x = 430,679,514,712.42
  5. Step 5: Solve for x
    x = 430,679,514,712.42/729,466.18
  6. Step 6: Final answer
    x = 590,403.68

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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.