Home / 726,809.10-1,091,380.05-549,516.30

Finding the Fourth Proportional to 726,809.10, 1,091,380.05 and 549,516.30

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Solution

The fourth proportional to 726,809.10, 1,091,380.05 and 549,516.30 is: 825,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,809.10 : 1,091,380.05 = 549,516.30 : x
  2. Step 2: Convert to fraction form
    726,809.10/1,091,380.05 = 549,516.30/x
  3. Step 3: Cross multiply
    726,809.10x = 1,091,380.05 × 549,516.30
  4. Step 4: Simplify right side
    726,809.10x = 599,731,126,969.82
  5. Step 5: Solve for x
    x = 599,731,126,969.82/726,809.10
  6. Step 6: Final answer
    x = 825,156.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.