Home / 987,208.85-1,480,813.28-239,254.85

Finding the Fourth Proportional to 987,208.85, 1,480,813.28 and 239,254.85

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Solution

The fourth proportional to 987,208.85, 1,480,813.28 and 239,254.85 is: 358,882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,208.85 : 1,480,813.28 = 239,254.85 : x
  2. Step 2: Convert to fraction form
    987,208.85/1,480,813.28 = 239,254.85/x
  3. Step 3: Cross multiply
    987,208.85x = 1,480,813.28 × 239,254.85
  4. Step 4: Simplify right side
    987,208.85x = 354,291,750,584.07
  5. Step 5: Solve for x
    x = 354,291,750,584.07/987,208.85
  6. Step 6: Final answer
    x = 358,882.27

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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.