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Finding the Fourth Proportional to 620,490.98, 930,937.11 and 304,726.46

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Solution

The fourth proportional to 620,490.98, 930,937.11 and 304,726.46 is: 457,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,490.98 : 930,937.11 = 304,726.46 : x
  2. Step 2: Convert to fraction form
    620,490.98/930,937.11 = 304,726.46/x
  3. Step 3: Cross multiply
    620,490.98x = 930,937.11 × 304,726.46
  4. Step 4: Simplify right side
    620,490.98x = 283,681,170,012.93
  5. Step 5: Solve for x
    x = 283,681,170,012.93/620,490.98
  6. Step 6: Final answer
    x = 457,188.23

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Similar ratio
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1.5x scale

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.