Home / 779,799.38-1,169,845.14-247,177.40

Finding the Fourth Proportional to 779,799.38, 1,169,845.14 and 247,177.40

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Solution

The fourth proportional to 779,799.38, 1,169,845.14 and 247,177.40 is: 370,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,799.38 : 1,169,845.14 = 247,177.40 : x
  2. Step 2: Convert to fraction form
    779,799.38/1,169,845.14 = 247,177.40/x
  3. Step 3: Cross multiply
    779,799.38x = 1,169,845.14 × 247,177.40
  4. Step 4: Simplify right side
    779,799.38x = 289,159,280,107.84
  5. Step 5: Solve for x
    x = 289,159,280,107.84/779,799.38
  6. Step 6: Final answer
    x = 370,812.40

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1.5x scale

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.