Home / 676,609.75-933,721.46-374,803.75

Finding the Fourth Proportional to 676,609.75, 933,721.46 and 374,803.75

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Solution

The fourth proportional to 676,609.75, 933,721.46 and 374,803.75 is: 517,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,609.75 : 933,721.46 = 374,803.75 : x
  2. Step 2: Convert to fraction form
    676,609.75/933,721.46 = 374,803.75/x
  3. Step 3: Cross multiply
    676,609.75x = 933,721.46 × 374,803.75
  4. Step 4: Simplify right side
    676,609.75x = 349,962,304,663.48
  5. Step 5: Solve for x
    x = 349,962,304,663.48/676,609.75
  6. Step 6: Final answer
    x = 517,229.18

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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.