Home / 991,055.97-1,367,753.22-555,547.29

Finding the Fourth Proportional to 991,055.97, 1,367,753.22 and 555,547.29

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Solution

The fourth proportional to 991,055.97, 1,367,753.22 and 555,547.29 is: 766,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,055.97 : 1,367,753.22 = 555,547.29 : x
  2. Step 2: Convert to fraction form
    991,055.97/1,367,753.22 = 555,547.29/x
  3. Step 3: Cross multiply
    991,055.97x = 1,367,753.22 × 555,547.29
  4. Step 4: Simplify right side
    991,055.97x = 759,851,597,204.38
  5. Step 5: Solve for x
    x = 759,851,597,204.38/991,055.97
  6. Step 6: Final answer
    x = 766,709.07

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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.