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Finding the Fourth Proportional to 662,585.20, 993,877.80 and 450,008.80

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Solution

The fourth proportional to 662,585.20, 993,877.80 and 450,008.80 is: 675,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,585.20 : 993,877.80 = 450,008.80 : x
  2. Step 2: Convert to fraction form
    662,585.20/993,877.80 = 450,008.80/x
  3. Step 3: Cross multiply
    662,585.20x = 993,877.80 × 450,008.80
  4. Step 4: Simplify right side
    662,585.20x = 447,253,756,124.64
  5. Step 5: Solve for x
    x = 447,253,756,124.64/662,585.20
  6. Step 6: Final answer
    x = 675,013.20

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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.