Home / 492,776.10-739,164.15-334,145.70

Finding the Fourth Proportional to 492,776.10, 739,164.15 and 334,145.70

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Solution

The fourth proportional to 492,776.10, 739,164.15 and 334,145.70 is: 501,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,776.10 : 739,164.15 = 334,145.70 : x
  2. Step 2: Convert to fraction form
    492,776.10/739,164.15 = 334,145.70/x
  3. Step 3: Cross multiply
    492,776.10x = 739,164.15 × 334,145.70
  4. Step 4: Simplify right side
    492,776.10x = 246,988,522,316.66
  5. Step 5: Solve for x
    x = 246,988,522,316.66/492,776.10
  6. Step 6: Final answer
    x = 501,218.55

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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.