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Finding the Fourth Proportional to 608,003.80, 912,005.70 and 496,029.40

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Solution

The fourth proportional to 608,003.80, 912,005.70 and 496,029.40 is: 744,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,003.80 : 912,005.70 = 496,029.40 : x
  2. Step 2: Convert to fraction form
    608,003.80/912,005.70 = 496,029.40/x
  3. Step 3: Cross multiply
    608,003.80x = 912,005.70 × 496,029.40
  4. Step 4: Simplify right side
    608,003.80x = 452,381,640,167.58
  5. Step 5: Solve for x
    x = 452,381,640,167.58/608,003.80
  6. Step 6: Final answer
    x = 744,044.10

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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.