Home / 779,826.60-1,169,521.20-247,510.80

Finding the Fourth Proportional to 779,826.60, 1,169,521.20 and 247,510.80

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Solution

The fourth proportional to 779,826.60, 1,169,521.20 and 247,510.80 is: 371,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,826.60 : 1,169,521.20 = 247,510.80 : x
  2. Step 2: Convert to fraction form
    779,826.60/1,169,521.20 = 247,510.80/x
  3. Step 3: Cross multiply
    779,826.60x = 1,169,521.20 × 247,510.80
  4. Step 4: Simplify right side
    779,826.60x = 289,469,127,828.96
  5. Step 5: Solve for x
    x = 289,469,127,828.96/779,826.60
  6. Step 6: Final answer
    x = 371,196.79

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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.