Home / 657,007.20-906,534.54-377,550.36

Finding the Fourth Proportional to 657,007.20, 906,534.54 and 377,550.36

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Solution

The fourth proportional to 657,007.20, 906,534.54 and 377,550.36 is: 520,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,007.20 : 906,534.54 = 377,550.36 : x
  2. Step 2: Convert to fraction form
    657,007.20/906,534.54 = 377,550.36/x
  3. Step 3: Cross multiply
    657,007.20x = 906,534.54 × 377,550.36
  4. Step 4: Simplify right side
    657,007.20x = 342,262,441,929.43
  5. Step 5: Solve for x
    x = 342,262,441,929.43/657,007.20
  6. Step 6: Final answer
    x = 520,941.69

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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.