Home / 998,863.98-1,378,411.38-546,154.98

Finding the Fourth Proportional to 998,863.98, 1,378,411.38 and 546,154.98

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Solution

The fourth proportional to 998,863.98, 1,378,411.38 and 546,154.98 is: 753,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,863.98 : 1,378,411.38 = 546,154.98 : x
  2. Step 2: Convert to fraction form
    998,863.98/1,378,411.38 = 546,154.98/x
  3. Step 3: Cross multiply
    998,863.98x = 1,378,411.38 × 546,154.98
  4. Step 4: Simplify right side
    998,863.98x = 752,826,239,675.67
  5. Step 5: Solve for x
    x = 752,826,239,675.67/998,863.98
  6. Step 6: Final answer
    x = 753,682.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.