Home / 779,738.20-1,169,607.30-218,867.80

Finding the Fourth Proportional to 779,738.20, 1,169,607.30 and 218,867.80

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Solution

The fourth proportional to 779,738.20, 1,169,607.30 and 218,867.80 is: 328,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,738.20 : 1,169,607.30 = 218,867.80 : x
  2. Step 2: Convert to fraction form
    779,738.20/1,169,607.30 = 218,867.80/x
  3. Step 3: Cross multiply
    779,738.20x = 1,169,607.30 × 218,867.80
  4. Step 4: Simplify right side
    779,738.20x = 255,989,376,614.94
  5. Step 5: Solve for x
    x = 255,989,376,614.94/779,738.20
  6. Step 6: Final answer
    x = 328,301.70

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Double scale
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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.