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Finding the Fourth Proportional to 584,049.15, 806,160.20 and 342,384.03

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Solution

The fourth proportional to 584,049.15, 806,160.20 and 342,384.03 is: 472,591.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,049.15 : 806,160.20 = 342,384.03 : x
  2. Step 2: Convert to fraction form
    584,049.15/806,160.20 = 342,384.03/x
  3. Step 3: Cross multiply
    584,049.15x = 806,160.20 × 342,384.03
  4. Step 4: Simplify right side
    584,049.15x = 276,016,376,389.69
  5. Step 5: Solve for x
    x = 276,016,376,389.69/584,049.15
  6. Step 6: Final answer
    x = 472,591.01

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1.5x scale

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.