Home / 987,207.35-1,480,811.02-239,253.35

Finding the Fourth Proportional to 987,207.35, 1,480,811.02 and 239,253.35

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Solution

The fourth proportional to 987,207.35, 1,480,811.02 and 239,253.35 is: 358,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,207.35 : 1,480,811.02 = 239,253.35 : x
  2. Step 2: Convert to fraction form
    987,207.35/1,480,811.02 = 239,253.35/x
  3. Step 3: Cross multiply
    987,207.35x = 1,480,811.02 × 239,253.35
  4. Step 4: Simplify right side
    987,207.35x = 354,288,989,249.73
  5. Step 5: Solve for x
    x = 354,288,989,249.73/987,207.35
  6. Step 6: Final answer
    x = 358,880.02

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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.