Home / 629,675.12-868,951.98-357,743.48

Finding the Fourth Proportional to 629,675.12, 868,951.98 and 357,743.48

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Solution

The fourth proportional to 629,675.12, 868,951.98 and 357,743.48 is: 493,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,675.12 : 868,951.98 = 357,743.48 : x
  2. Step 2: Convert to fraction form
    629,675.12/868,951.98 = 357,743.48/x
  3. Step 3: Cross multiply
    629,675.12x = 868,951.98 × 357,743.48
  4. Step 4: Simplify right side
    629,675.12x = 310,861,905,278.09
  5. Step 5: Solve for x
    x = 310,861,905,278.09/629,675.12
  6. Step 6: Final answer
    x = 493,686.18

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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.