Home / 498,677.16-688,094.31-283,820.85

Finding the Fourth Proportional to 498,677.16, 688,094.31 and 283,820.85

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Solution

The fourth proportional to 498,677.16, 688,094.31 and 283,820.85 is: 391,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,677.16 : 688,094.31 = 283,820.85 : x
  2. Step 2: Convert to fraction form
    498,677.16/688,094.31 = 283,820.85/x
  3. Step 3: Cross multiply
    498,677.16x = 688,094.31 × 283,820.85
  4. Step 4: Simplify right side
    498,677.16x = 195,295,511,944.36
  5. Step 5: Solve for x
    x = 195,295,511,944.36/498,677.16
  6. Step 6: Final answer
    x = 391,627.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.