Home / 657,831.34-907,807.26-356,025.34

Finding the Fourth Proportional to 657,831.34, 907,807.26 and 356,025.34

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Solution

The fourth proportional to 657,831.34, 907,807.26 and 356,025.34 is: 491,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,831.34 : 907,807.26 = 356,025.34 : x
  2. Step 2: Convert to fraction form
    657,831.34/907,807.26 = 356,025.34/x
  3. Step 3: Cross multiply
    657,831.34x = 907,807.26 × 356,025.34
  4. Step 4: Simplify right side
    657,831.34x = 323,202,388,395.97
  5. Step 5: Solve for x
    x = 323,202,388,395.97/657,831.34
  6. Step 6: Final answer
    x = 491,314.98

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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.