Home / 745,618.60-1,118,614.20-240,227.20

Finding the Fourth Proportional to 745,618.60, 1,118,614.20 and 240,227.20

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Solution

The fourth proportional to 745,618.60, 1,118,614.20 and 240,227.20 is: 360,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,618.60 : 1,118,614.20 = 240,227.20 : x
  2. Step 2: Convert to fraction form
    745,618.60/1,118,614.20 = 240,227.20/x
  3. Step 3: Cross multiply
    745,618.60x = 1,118,614.20 × 240,227.20
  4. Step 4: Simplify right side
    745,618.60x = 268,721,557,146.24
  5. Step 5: Solve for x
    x = 268,721,557,146.24/745,618.60
  6. Step 6: Final answer
    x = 360,400.82

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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.