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Finding the Fourth Proportional to 496,307.20, 744,460.80 and 384,332.80

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Solution

The fourth proportional to 496,307.20, 744,460.80 and 384,332.80 is: 576,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,307.20 : 744,460.80 = 384,332.80 : x
  2. Step 2: Convert to fraction form
    496,307.20/744,460.80 = 384,332.80/x
  3. Step 3: Cross multiply
    496,307.20x = 744,460.80 × 384,332.80
  4. Step 4: Simplify right side
    496,307.20x = 286,120,703,754.24
  5. Step 5: Solve for x
    x = 286,120,703,754.24/496,307.20
  6. Step 6: Final answer
    x = 576,499.20

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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.