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Finding the Fourth Proportional to 576,005.80, 864,008.70 and 324,063.40

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Solution

The fourth proportional to 576,005.80, 864,008.70 and 324,063.40 is: 486,095.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,005.80 : 864,008.70 = 324,063.40 : x
  2. Step 2: Convert to fraction form
    576,005.80/864,008.70 = 324,063.40/x
  3. Step 3: Cross multiply
    576,005.80x = 864,008.70 × 324,063.40
  4. Step 4: Simplify right side
    576,005.80x = 279,993,596,951.58
  5. Step 5: Solve for x
    x = 279,993,596,951.58/576,005.80
  6. Step 6: Final answer
    x = 486,095.10

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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.