Home / 998,145.40-1,497,218.10-366,977.20

Finding the Fourth Proportional to 998,145.40, 1,497,218.10 and 366,977.20

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Solution

The fourth proportional to 998,145.40, 1,497,218.10 and 366,977.20 is: 550,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,145.40 : 1,497,218.10 = 366,977.20 : x
  2. Step 2: Convert to fraction form
    998,145.40/1,497,218.10 = 366,977.20/x
  3. Step 3: Cross multiply
    998,145.40x = 1,497,218.10 × 366,977.20
  4. Step 4: Simplify right side
    998,145.40x = 549,444,906,127.32
  5. Step 5: Solve for x
    x = 549,444,906,127.32/998,145.40
  6. Step 6: Final answer
    x = 550,465.80

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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.