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Finding the Fourth Proportional to 528,124.74, 792,979.29 and 509,753.94

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Solution

The fourth proportional to 528,124.74, 792,979.29 and 509,753.94 is: 765,395.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,124.74 : 792,979.29 = 509,753.94 : x
  2. Step 2: Convert to fraction form
    528,124.74/792,979.29 = 509,753.94/x
  3. Step 3: Cross multiply
    528,124.74x = 792,979.29 × 509,753.94
  4. Step 4: Simplify right side
    528,124.74x = 404,224,317,415.90
  5. Step 5: Solve for x
    x = 404,224,317,415.90/528,124.74
  6. Step 6: Final answer
    x = 765,395.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.