Home / 727,764.30-1,091,646.45-549,305.10

Finding the Fourth Proportional to 727,764.30, 1,091,646.45 and 549,305.10

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Solution

The fourth proportional to 727,764.30, 1,091,646.45 and 549,305.10 is: 823,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,764.30 : 1,091,646.45 = 549,305.10 : x
  2. Step 2: Convert to fraction form
    727,764.30/1,091,646.45 = 549,305.10/x
  3. Step 3: Cross multiply
    727,764.30x = 1,091,646.45 × 549,305.10
  4. Step 4: Simplify right side
    727,764.30x = 599,646,962,381.90
  5. Step 5: Solve for x
    x = 599,646,962,381.90/727,764.30
  6. Step 6: Final answer
    x = 823,957.65

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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.