Home / 526,916.60-788,042.10-442,935.80

Finding the Fourth Proportional to 526,916.60, 788,042.10 and 442,935.80

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Solution

The fourth proportional to 526,916.60, 788,042.10 and 442,935.80 is: 662,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,916.60 : 788,042.10 = 442,935.80 : x
  2. Step 2: Convert to fraction form
    526,916.60/788,042.10 = 442,935.80/x
  3. Step 3: Cross multiply
    526,916.60x = 788,042.10 × 442,935.80
  4. Step 4: Simplify right side
    526,916.60x = 349,052,057,997.18
  5. Step 5: Solve for x
    x = 349,052,057,997.18/526,916.60
  6. Step 6: Final answer
    x = 662,442.71

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1.5x scale

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.