Home / 745,591.68-1,118,115.36-272,136.96

Finding the Fourth Proportional to 745,591.68, 1,118,115.36 and 272,136.96

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Solution

The fourth proportional to 745,591.68, 1,118,115.36 and 272,136.96 is: 408,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,591.68 : 1,118,115.36 = 272,136.96 : x
  2. Step 2: Convert to fraction form
    745,591.68/1,118,115.36 = 272,136.96/x
  3. Step 3: Cross multiply
    745,591.68x = 1,118,115.36 × 272,136.96
  4. Step 4: Simplify right side
    745,591.68x = 304,280,514,999.71
  5. Step 5: Solve for x
    x = 304,280,514,999.71/745,591.68
  6. Step 6: Final answer
    x = 408,106.10

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Double scale
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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.