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Finding the Fourth Proportional to 521,979.93, 783,029.05 and 468,342.37

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Solution

The fourth proportional to 521,979.93, 783,029.05 and 468,342.37 is: 702,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,979.93 : 783,029.05 = 468,342.37 : x
  2. Step 2: Convert to fraction form
    521,979.93/783,029.05 = 468,342.37/x
  3. Step 3: Cross multiply
    521,979.93x = 783,029.05 × 468,342.37
  4. Step 4: Simplify right side
    521,979.93x = 366,725,678,877.59
  5. Step 5: Solve for x
    x = 366,725,678,877.59/521,979.93
  6. Step 6: Final answer
    x = 702,566.62

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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.