Home / 779,719.29-1,169,621.45-247,201.80

Finding the Fourth Proportional to 779,719.29, 1,169,621.45 and 247,201.80

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Solution

The fourth proportional to 779,719.29, 1,169,621.45 and 247,201.80 is: 370,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,719.29 : 1,169,621.45 = 247,201.80 : x
  2. Step 2: Convert to fraction form
    779,719.29/1,169,621.45 = 247,201.80/x
  3. Step 3: Cross multiply
    779,719.29x = 1,169,621.45 × 247,201.80
  4. Step 4: Simplify right side
    779,719.29x = 289,132,527,758.61
  5. Step 5: Solve for x
    x = 289,132,527,758.61/779,719.29
  6. Step 6: Final answer
    x = 370,816.18

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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.