Home / 674,176.10-930,363.09-372,370.10

Finding the Fourth Proportional to 674,176.10, 930,363.09 and 372,370.10

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Solution

The fourth proportional to 674,176.10, 930,363.09 and 372,370.10 is: 513,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,176.10 : 930,363.09 = 372,370.10 : x
  2. Step 2: Convert to fraction form
    674,176.10/930,363.09 = 372,370.10/x
  3. Step 3: Cross multiply
    674,176.10x = 930,363.09 × 372,370.10
  4. Step 4: Simplify right side
    674,176.10x = 346,439,396,859.61
  5. Step 5: Solve for x
    x = 346,439,396,859.61/674,176.10
  6. Step 6: Final answer
    x = 513,870.78

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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.