Home / 878,730.08-1,318,082.78-346,255.71

Finding the Fourth Proportional to 878,730.08, 1,318,082.78 and 346,255.71

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Solution

The fourth proportional to 878,730.08, 1,318,082.78 and 346,255.71 is: 519,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,730.08 : 1,318,082.78 = 346,255.71 : x
  2. Step 2: Convert to fraction form
    878,730.08/1,318,082.78 = 346,255.71/x
  3. Step 3: Cross multiply
    878,730.08x = 1,318,082.78 × 346,255.71
  4. Step 4: Simplify right side
    878,730.08x = 456,393,687,096.40
  5. Step 5: Solve for x
    x = 456,393,687,096.40/878,730.08
  6. Step 6: Final answer
    x = 519,378.70

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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.