Home / 572,199.42-789,336.90-339,490.92

Finding the Fourth Proportional to 572,199.42, 789,336.90 and 339,490.92

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Solution

The fourth proportional to 572,199.42, 789,336.90 and 339,490.92 is: 468,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,199.42 : 789,336.90 = 339,490.92 : x
  2. Step 2: Convert to fraction form
    572,199.42/789,336.90 = 339,490.92/x
  3. Step 3: Cross multiply
    572,199.42x = 789,336.90 × 339,490.92
  4. Step 4: Simplify right side
    572,199.42x = 267,972,710,370.95
  5. Step 5: Solve for x
    x = 267,972,710,370.95/572,199.42
  6. Step 6: Final answer
    x = 468,320.49

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Double scale
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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.