Home / 684,175.20-944,162.90-382,369.20

Finding the Fourth Proportional to 684,175.20, 944,162.90 and 382,369.20

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Solution

The fourth proportional to 684,175.20, 944,162.90 and 382,369.20 is: 527,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,175.20 : 944,162.90 = 382,369.20 : x
  2. Step 2: Convert to fraction form
    684,175.20/944,162.90 = 382,369.20/x
  3. Step 3: Cross multiply
    684,175.20x = 944,162.90 × 382,369.20
  4. Step 4: Simplify right side
    684,175.20x = 361,018,812,742.68
  5. Step 5: Solve for x
    x = 361,018,812,742.68/684,175.20
  6. Step 6: Final answer
    x = 527,670.12

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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.