Home / 779,571.30-1,169,253.06-247,146.15

Finding the Fourth Proportional to 779,571.30, 1,169,253.06 and 247,146.15

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Solution

The fourth proportional to 779,571.30, 1,169,253.06 and 247,146.15 is: 370,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,571.30 : 1,169,253.06 = 247,146.15 : x
  2. Step 2: Convert to fraction form
    779,571.30/1,169,253.06 = 247,146.15/x
  3. Step 3: Cross multiply
    779,571.30x = 1,169,253.06 × 247,146.15
  4. Step 4: Simplify right side
    779,571.30x = 288,976,392,154.72
  5. Step 5: Solve for x
    x = 288,976,392,154.72/779,571.30
  6. Step 6: Final answer
    x = 370,686.29

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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.