Home / 676,207.72-933,178.13-370,279.23

Finding the Fourth Proportional to 676,207.72, 933,178.13 and 370,279.23

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Solution

The fourth proportional to 676,207.72, 933,178.13 and 370,279.23 is: 510,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,207.72 : 933,178.13 = 370,279.23 : x
  2. Step 2: Convert to fraction form
    676,207.72/933,178.13 = 370,279.23/x
  3. Step 3: Cross multiply
    676,207.72x = 933,178.13 × 370,279.23
  4. Step 4: Simplify right side
    676,207.72x = 345,536,479,429.24
  5. Step 5: Solve for x
    x = 345,536,479,429.24/676,207.72
  6. Step 6: Final answer
    x = 510,991.62

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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.