Home / 727,711.30-1,091,566.95-549,252.10

Finding the Fourth Proportional to 727,711.30, 1,091,566.95 and 549,252.10

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Solution

The fourth proportional to 727,711.30, 1,091,566.95 and 549,252.10 is: 823,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,711.30 : 1,091,566.95 = 549,252.10 : x
  2. Step 2: Convert to fraction form
    727,711.30/1,091,566.95 = 549,252.10/x
  3. Step 3: Cross multiply
    727,711.30x = 1,091,566.95 × 549,252.10
  4. Step 4: Simplify right side
    727,711.30x = 599,545,439,578.10
  5. Step 5: Solve for x
    x = 599,545,439,578.10/727,711.30
  6. Step 6: Final answer
    x = 823,878.15

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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.