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Finding the Fourth Proportional to 565,593.39, 780,523.95 and 307,470.84

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Solution

The fourth proportional to 565,593.39, 780,523.95 and 307,470.84 is: 424,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,593.39 : 780,523.95 = 307,470.84 : x
  2. Step 2: Convert to fraction form
    565,593.39/780,523.95 = 307,470.84/x
  3. Step 3: Cross multiply
    565,593.39x = 780,523.95 × 307,470.84
  4. Step 4: Simplify right side
    565,593.39x = 239,988,350,644.00
  5. Step 5: Solve for x
    x = 239,988,350,644.00/565,593.39
  6. Step 6: Final answer
    x = 424,312.51

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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.