Home / 998,043.20-1,497,064.80-366,826.40

Finding the Fourth Proportional to 998,043.20, 1,497,064.80 and 366,826.40

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Solution

The fourth proportional to 998,043.20, 1,497,064.80 and 366,826.40 is: 550,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,043.20 : 1,497,064.80 = 366,826.40 : x
  2. Step 2: Convert to fraction form
    998,043.20/1,497,064.80 = 366,826.40/x
  3. Step 3: Cross multiply
    998,043.20x = 1,497,064.80 × 366,826.40
  4. Step 4: Simplify right side
    998,043.20x = 549,162,891,150.72
  5. Step 5: Solve for x
    x = 549,162,891,150.72/998,043.20
  6. Step 6: Final answer
    x = 550,239.60

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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.