Home / 767,802.30-1,151,185.05-408,032.70

Finding the Fourth Proportional to 767,802.30, 1,151,185.05 and 408,032.70

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Solution

The fourth proportional to 767,802.30, 1,151,185.05 and 408,032.70 is: 611,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,802.30 : 1,151,185.05 = 408,032.70 : x
  2. Step 2: Convert to fraction form
    767,802.30/1,151,185.05 = 408,032.70/x
  3. Step 3: Cross multiply
    767,802.30x = 1,151,185.05 × 408,032.70
  4. Step 4: Simplify right side
    767,802.30x = 469,721,144,151.14
  5. Step 5: Solve for x
    x = 469,721,144,151.14/767,802.30
  6. Step 6: Final answer
    x = 611,773.56

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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.