Home / 498,623.04-748,206.72-288,671.04

Finding the Fourth Proportional to 498,623.04, 748,206.72 and 288,671.04

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Solution

The fourth proportional to 498,623.04, 748,206.72 and 288,671.04 is: 433,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,623.04 : 748,206.72 = 288,671.04 : x
  2. Step 2: Convert to fraction form
    498,623.04/748,206.72 = 288,671.04/x
  3. Step 3: Cross multiply
    498,623.04x = 748,206.72 × 288,671.04
  4. Step 4: Simplify right side
    498,623.04x = 215,985,611,997.39
  5. Step 5: Solve for x
    x = 215,985,611,997.39/498,623.04
  6. Step 6: Final answer
    x = 433,164.12

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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.