Home / 657,552.32-907,370.52-402,868.88

Finding the Fourth Proportional to 657,552.32, 907,370.52 and 402,868.88

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Solution

The fourth proportional to 657,552.32, 907,370.52 and 402,868.88 is: 555,927.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,552.32 : 907,370.52 = 402,868.88 : x
  2. Step 2: Convert to fraction form
    657,552.32/907,370.52 = 402,868.88/x
  3. Step 3: Cross multiply
    657,552.32x = 907,370.52 × 402,868.88
  4. Step 4: Simplify right side
    657,552.32x = 365,551,345,137.42
  5. Step 5: Solve for x
    x = 365,551,345,137.42/657,552.32
  6. Step 6: Final answer
    x = 555,927.39

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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.