Home / 779,992.80-1,167,656.40-464,287.20

Finding the Fourth Proportional to 779,992.80, 1,167,656.40 and 464,287.20

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Solution

The fourth proportional to 779,992.80, 1,167,656.40 and 464,287.20 is: 695,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,992.80 : 1,167,656.40 = 464,287.20 : x
  2. Step 2: Convert to fraction form
    779,992.80/1,167,656.40 = 464,287.20/x
  3. Step 3: Cross multiply
    779,992.80x = 1,167,656.40 × 464,287.20
  4. Step 4: Simplify right side
    779,992.80x = 542,127,920,518.08
  5. Step 5: Solve for x
    x = 542,127,920,518.08/779,992.80
  6. Step 6: Final answer
    x = 695,042.21

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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.