Home / 785,350.76-1,176,936.26-357,841.80

Finding the Fourth Proportional to 785,350.76, 1,176,936.26 and 357,841.80

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Solution

The fourth proportional to 785,350.76, 1,176,936.26 and 357,841.80 is: 536,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,350.76 : 1,176,936.26 = 357,841.80 : x
  2. Step 2: Convert to fraction form
    785,350.76/1,176,936.26 = 357,841.80/x
  3. Step 3: Cross multiply
    785,350.76x = 1,176,936.26 × 357,841.80
  4. Step 4: Simplify right side
    785,350.76x = 421,156,987,974.46
  5. Step 5: Solve for x
    x = 421,156,987,974.46/785,350.76
  6. Step 6: Final answer
    x = 536,266.10

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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.