Home / 770,112.73-1,154,160.30-369,957.34

Finding the Fourth Proportional to 770,112.73, 1,154,160.30 and 369,957.34

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Solution

The fourth proportional to 770,112.73, 1,154,160.30 and 369,957.34 is: 554,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,112.73 : 1,154,160.30 = 369,957.34 : x
  2. Step 2: Convert to fraction form
    770,112.73/1,154,160.30 = 369,957.34/x
  3. Step 3: Cross multiply
    770,112.73x = 1,154,160.30 × 369,957.34
  4. Step 4: Simplify right side
    770,112.73x = 426,990,068,750.80
  5. Step 5: Solve for x
    x = 426,990,068,750.80/770,112.73
  6. Step 6: Final answer
    x = 554,451.39

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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.