Home / 584,964.40-878,102.70-452,432.20

Finding the Fourth Proportional to 584,964.40, 878,102.70 and 452,432.20

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Solution

The fourth proportional to 584,964.40, 878,102.70 and 452,432.20 is: 679,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,964.40 : 878,102.70 = 452,432.20 : x
  2. Step 2: Convert to fraction form
    584,964.40/878,102.70 = 452,432.20/x
  3. Step 3: Cross multiply
    584,964.40x = 878,102.70 × 452,432.20
  4. Step 4: Simplify right side
    584,964.40x = 397,281,936,386.94
  5. Step 5: Solve for x
    x = 397,281,936,386.94/584,964.40
  6. Step 6: Final answer
    x = 679,155.75

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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.