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Finding the Fourth Proportional to 549,340.80, 824,011.20 and 360,999.10

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Solution

The fourth proportional to 549,340.80, 824,011.20 and 360,999.10 is: 541,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,340.80 : 824,011.20 = 360,999.10 : x
  2. Step 2: Convert to fraction form
    549,340.80/824,011.20 = 360,999.10/x
  3. Step 3: Cross multiply
    549,340.80x = 824,011.20 × 360,999.10
  4. Step 4: Simplify right side
    549,340.80x = 297,467,301,589.92
  5. Step 5: Solve for x
    x = 297,467,301,589.92/549,340.80
  6. Step 6: Final answer
    x = 541,498.65

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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.