Home / 684,182.46-944,131.12-378,240.52

Finding the Fourth Proportional to 684,182.46, 944,131.12 and 378,240.52

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Solution

The fourth proportional to 684,182.46, 944,131.12 and 378,240.52 is: 521,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,182.46 : 944,131.12 = 378,240.52 : x
  2. Step 2: Convert to fraction form
    684,182.46/944,131.12 = 378,240.52/x
  3. Step 3: Cross multiply
    684,182.46x = 944,131.12 × 378,240.52
  4. Step 4: Simplify right side
    684,182.46x = 357,108,646,368.90
  5. Step 5: Solve for x
    x = 357,108,646,368.90/684,182.46
  6. Step 6: Final answer
    x = 521,949.43

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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.