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Finding the Fourth Proportional to 535,816.74, 739,426.82 and 303,239.46

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Solution

The fourth proportional to 535,816.74, 739,426.82 and 303,239.46 is: 418,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,816.74 : 739,426.82 = 303,239.46 : x
  2. Step 2: Convert to fraction form
    535,816.74/739,426.82 = 303,239.46/x
  3. Step 3: Cross multiply
    535,816.74x = 739,426.82 × 303,239.46
  4. Step 4: Simplify right side
    535,816.74x = 224,223,386,397.00
  5. Step 5: Solve for x
    x = 224,223,386,397.00/535,816.74
  6. Step 6: Final answer
    x = 418,470.29

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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.