Home / 558,738.60-838,107.90-502,751.40

Finding the Fourth Proportional to 558,738.60, 838,107.90 and 502,751.40

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Solution

The fourth proportional to 558,738.60, 838,107.90 and 502,751.40 is: 754,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,738.60 : 838,107.90 = 502,751.40 : x
  2. Step 2: Convert to fraction form
    558,738.60/838,107.90 = 502,751.40/x
  3. Step 3: Cross multiply
    558,738.60x = 838,107.90 × 502,751.40
  4. Step 4: Simplify right side
    558,738.60x = 421,359,920,076.06
  5. Step 5: Solve for x
    x = 421,359,920,076.06/558,738.60
  6. Step 6: Final answer
    x = 754,127.10

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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.