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Finding the Fourth Proportional to 528,007.41, 729,251.61 and 357,946.29

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Solution

The fourth proportional to 528,007.41, 729,251.61 and 357,946.29 is: 494,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,007.41 : 729,251.61 = 357,946.29 : x
  2. Step 2: Convert to fraction form
    528,007.41/729,251.61 = 357,946.29/x
  3. Step 3: Cross multiply
    528,007.41x = 729,251.61 × 357,946.29
  4. Step 4: Simplify right side
    528,007.41x = 261,032,906,933.73
  5. Step 5: Solve for x
    x = 261,032,906,933.73/528,007.41
  6. Step 6: Final answer
    x = 494,373.57

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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.