Home / 888,543.46-1,225,800.42-520,834.18

Finding the Fourth Proportional to 888,543.46, 1,225,800.42 and 520,834.18

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Solution

The fourth proportional to 888,543.46, 1,225,800.42 and 520,834.18 is: 718,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,543.46 : 1,225,800.42 = 520,834.18 : x
  2. Step 2: Convert to fraction form
    888,543.46/1,225,800.42 = 520,834.18/x
  3. Step 3: Cross multiply
    888,543.46x = 1,225,800.42 × 520,834.18
  4. Step 4: Simplify right side
    888,543.46x = 638,438,756,594.36
  5. Step 5: Solve for x
    x = 638,438,756,594.36/888,543.46
  6. Step 6: Final answer
    x = 718,522.82

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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.