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Finding the Fourth Proportional to 507,077.40, 760,616.10 and 502,411.80

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Solution

The fourth proportional to 507,077.40, 760,616.10 and 502,411.80 is: 753,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,077.40 : 760,616.10 = 502,411.80 : x
  2. Step 2: Convert to fraction form
    507,077.40/760,616.10 = 502,411.80/x
  3. Step 3: Cross multiply
    507,077.40x = 760,616.10 × 502,411.80
  4. Step 4: Simplify right side
    507,077.40x = 382,142,503,909.98
  5. Step 5: Solve for x
    x = 382,142,503,909.98/507,077.40
  6. Step 6: Final answer
    x = 753,617.70

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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.