Home / 779,246.80-1,168,870.20-329,818.30

Finding the Fourth Proportional to 779,246.80, 1,168,870.20 and 329,818.30

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Solution

The fourth proportional to 779,246.80, 1,168,870.20 and 329,818.30 is: 494,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,246.80 : 1,168,870.20 = 329,818.30 : x
  2. Step 2: Convert to fraction form
    779,246.80/1,168,870.20 = 329,818.30/x
  3. Step 3: Cross multiply
    779,246.80x = 1,168,870.20 × 329,818.30
  4. Step 4: Simplify right side
    779,246.80x = 385,514,782,284.66
  5. Step 5: Solve for x
    x = 385,514,782,284.66/779,246.80
  6. Step 6: Final answer
    x = 494,727.45

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Double scale
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Similar ratio
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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.