Home / 998,117.40-1,497,394.80-492,920.40

Finding the Fourth Proportional to 998,117.40, 1,497,394.80 and 492,920.40

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Solution

The fourth proportional to 998,117.40, 1,497,394.80 and 492,920.40 is: 739,488.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,117.40 : 1,497,394.80 = 492,920.40 : x
  2. Step 2: Convert to fraction form
    998,117.40/1,497,394.80 = 492,920.40/x
  3. Step 3: Cross multiply
    998,117.40x = 1,497,394.80 × 492,920.40
  4. Step 4: Simplify right side
    998,117.40x = 738,096,443,773.92
  5. Step 5: Solve for x
    x = 738,096,443,773.92/998,117.40
  6. Step 6: Final answer
    x = 739,488.61

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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.