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Finding the Fourth Proportional to 657,209.20, 985,813.80 and 283,232.20

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Solution

The fourth proportional to 657,209.20, 985,813.80 and 283,232.20 is: 424,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,209.20 : 985,813.80 = 283,232.20 : x
  2. Step 2: Convert to fraction form
    657,209.20/985,813.80 = 283,232.20/x
  3. Step 3: Cross multiply
    657,209.20x = 985,813.80 × 283,232.20
  4. Step 4: Simplify right side
    657,209.20x = 279,214,211,364.36
  5. Step 5: Solve for x
    x = 279,214,211,364.36/657,209.20
  6. Step 6: Final answer
    x = 424,848.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.