Home / 684,341.12-944,423.52-378,412.16

Finding the Fourth Proportional to 684,341.12, 944,423.52 and 378,412.16

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Solution

The fourth proportional to 684,341.12, 944,423.52 and 378,412.16 is: 522,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,341.12 : 944,423.52 = 378,412.16 : x
  2. Step 2: Convert to fraction form
    684,341.12/944,423.52 = 378,412.16/x
  3. Step 3: Cross multiply
    684,341.12x = 944,423.52 × 378,412.16
  4. Step 4: Simplify right side
    684,341.12x = 357,381,344,158.00
  5. Step 5: Solve for x
    x = 357,381,344,158.00/684,341.12
  6. Step 6: Final answer
    x = 522,226.90

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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.