Home / 657,831.63-907,807.73-356,025.63

Finding the Fourth Proportional to 657,831.63, 907,807.73 and 356,025.63

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Solution

The fourth proportional to 657,831.63, 907,807.73 and 356,025.63 is: 491,315.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,831.63 : 907,807.73 = 356,025.63 : x
  2. Step 2: Convert to fraction form
    657,831.63/907,807.73 = 356,025.63/x
  3. Step 3: Cross multiply
    657,831.63x = 907,807.73 × 356,025.63
  4. Step 4: Simplify right side
    657,831.63x = 323,202,818,992.12
  5. Step 5: Solve for x
    x = 323,202,818,992.12/657,831.63
  6. Step 6: Final answer
    x = 491,315.41

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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.