Home / 779,914.20-1,168,949.70-330,634.20

Finding the Fourth Proportional to 779,914.20, 1,168,949.70 and 330,634.20

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Solution

The fourth proportional to 779,914.20, 1,168,949.70 and 330,634.20 is: 495,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,914.20 : 1,168,949.70 = 330,634.20 : x
  2. Step 2: Convert to fraction form
    779,914.20/1,168,949.70 = 330,634.20/x
  3. Step 3: Cross multiply
    779,914.20x = 1,168,949.70 × 330,634.20
  4. Step 4: Simplify right side
    779,914.20x = 386,494,748,899.74
  5. Step 5: Solve for x
    x = 386,494,748,899.74/779,914.20
  6. Step 6: Final answer
    x = 495,560.60

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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.