Home / 779,821.08-1,169,843.21-240,123.03

Finding the Fourth Proportional to 779,821.08, 1,169,843.21 and 240,123.03

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Solution

The fourth proportional to 779,821.08, 1,169,843.21 and 240,123.03 is: 360,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,821.08 : 1,169,843.21 = 240,123.03 : x
  2. Step 2: Convert to fraction form
    779,821.08/1,169,843.21 = 240,123.03/x
  3. Step 3: Cross multiply
    779,821.08x = 1,169,843.21 × 240,123.03
  4. Step 4: Simplify right side
    779,821.08x = 280,906,296,210.13
  5. Step 5: Solve for x
    x = 280,906,296,210.13/779,821.08
  6. Step 6: Final answer
    x = 360,218.91

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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.