Home / 907,861.56-1,252,826.22-499,960.20

Finding the Fourth Proportional to 907,861.56, 1,252,826.22 and 499,960.20

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Solution

The fourth proportional to 907,861.56, 1,252,826.22 and 499,960.20 is: 689,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,861.56 : 1,252,826.22 = 499,960.20 : x
  2. Step 2: Convert to fraction form
    907,861.56/1,252,826.22 = 499,960.20/x
  3. Step 3: Cross multiply
    907,861.56x = 1,252,826.22 × 499,960.20
  4. Step 4: Simplify right side
    907,861.56x = 626,363,247,516.44
  5. Step 5: Solve for x
    x = 626,363,247,516.44/907,861.56
  6. Step 6: Final answer
    x = 689,932.56

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Double scale
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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.