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Finding the Fourth Proportional to 610,526.28, 842,376 and 365,591.52

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Solution

The fourth proportional to 610,526.28, 842,376 and 365,591.52 is: 504,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,526.28 : 842,376 = 365,591.52 : x
  2. Step 2: Convert to fraction form
    610,526.28/842,376 = 365,591.52/x
  3. Step 3: Cross multiply
    610,526.28x = 842,376 × 365,591.52
  4. Step 4: Simplify right side
    610,526.28x = 307,965,522,251.52
  5. Step 5: Solve for x
    x = 307,965,522,251.52/610,526.28
  6. Step 6: Final answer
    x = 504,426.32

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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.