Home / 659,129.56-908,943.82-496,176.20

Finding the Fourth Proportional to 659,129.56, 908,943.82 and 496,176.20

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Solution

The fourth proportional to 659,129.56, 908,943.82 and 496,176.20 is: 684,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,129.56 : 908,943.82 = 496,176.20 : x
  2. Step 2: Convert to fraction form
    659,129.56/908,943.82 = 496,176.20/x
  3. Step 3: Cross multiply
    659,129.56x = 908,943.82 × 496,176.20
  4. Step 4: Simplify right side
    659,129.56x = 450,996,290,621.08
  5. Step 5: Solve for x
    x = 450,996,290,621.08/659,129.56
  6. Step 6: Final answer
    x = 684,230.11

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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.