Home / 987,201.42-1,480,802.13-239,247.42

Finding the Fourth Proportional to 987,201.42, 1,480,802.13 and 239,247.42

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Solution

The fourth proportional to 987,201.42, 1,480,802.13 and 239,247.42 is: 358,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,201.42 : 1,480,802.13 = 239,247.42 : x
  2. Step 2: Convert to fraction form
    987,201.42/1,480,802.13 = 239,247.42/x
  3. Step 3: Cross multiply
    987,201.42x = 1,480,802.13 × 239,247.42
  4. Step 4: Simplify right side
    987,201.42x = 354,278,092,582.39
  5. Step 5: Solve for x
    x = 354,278,092,582.39/987,201.42
  6. Step 6: Final answer
    x = 358,871.13

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Double scale
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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.