Home / 771,224.91-1,063,716.76-499,082.83

Finding the Fourth Proportional to 771,224.91, 1,063,716.76 and 499,082.83

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Solution

The fourth proportional to 771,224.91, 1,063,716.76 and 499,082.83 is: 688,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,224.91 : 1,063,716.76 = 499,082.83 : x
  2. Step 2: Convert to fraction form
    771,224.91/1,063,716.76 = 499,082.83/x
  3. Step 3: Cross multiply
    771,224.91x = 1,063,716.76 × 499,082.83
  4. Step 4: Simplify right side
    771,224.91x = 530,882,772,039.86
  5. Step 5: Solve for x
    x = 530,882,772,039.86/771,224.91
  6. Step 6: Final answer
    x = 688,363.10

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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.