Home / 779,802.66-1,167,042.69-653,585.40

Finding the Fourth Proportional to 779,802.66, 1,167,042.69 and 653,585.40

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Solution

The fourth proportional to 779,802.66, 1,167,042.69 and 653,585.40 is: 978,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,802.66 : 1,167,042.69 = 653,585.40 : x
  2. Step 2: Convert to fraction form
    779,802.66/1,167,042.69 = 653,585.40/x
  3. Step 3: Cross multiply
    779,802.66x = 1,167,042.69 × 653,585.40
  4. Step 4: Simplify right side
    779,802.66x = 762,762,063,360.73
  5. Step 5: Solve for x
    x = 762,762,063,360.73/779,802.66
  6. Step 6: Final answer
    x = 978,147.55

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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.