Home / 658,917.34-987,246.56-442,370.50

Finding the Fourth Proportional to 658,917.34, 987,246.56 and 442,370.50

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Solution

The fourth proportional to 658,917.34, 987,246.56 and 442,370.50 is: 662,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,917.34 : 987,246.56 = 442,370.50 : x
  2. Step 2: Convert to fraction form
    658,917.34/987,246.56 = 442,370.50/x
  3. Step 3: Cross multiply
    658,917.34x = 987,246.56 × 442,370.50
  4. Step 4: Simplify right side
    658,917.34x = 436,728,754,370.48
  5. Step 5: Solve for x
    x = 436,728,754,370.48/658,917.34
  6. Step 6: Final answer
    x = 662,797.48

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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.