Home / 657,276.40-985,234.20-357,122.80

Finding the Fourth Proportional to 657,276.40, 985,234.20 and 357,122.80

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Solution

The fourth proportional to 657,276.40, 985,234.20 and 357,122.80 is: 535,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,276.40 : 985,234.20 = 357,122.80 : x
  2. Step 2: Convert to fraction form
    657,276.40/985,234.20 = 357,122.80/x
  3. Step 3: Cross multiply
    657,276.40x = 985,234.20 × 357,122.80
  4. Step 4: Simplify right side
    657,276.40x = 351,849,596,159.76
  5. Step 5: Solve for x
    x = 351,849,596,159.76/657,276.40
  6. Step 6: Final answer
    x = 535,314.51

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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.