Home / 998,818.16-1,498,270.98-288,917.96

Finding the Fourth Proportional to 998,818.16, 1,498,270.98 and 288,917.96

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Solution

The fourth proportional to 998,818.16, 1,498,270.98 and 288,917.96 is: 433,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,818.16 : 1,498,270.98 = 288,917.96 : x
  2. Step 2: Convert to fraction form
    998,818.16/1,498,270.98 = 288,917.96/x
  3. Step 3: Cross multiply
    998,818.16x = 1,498,270.98 × 288,917.96
  4. Step 4: Simplify right side
    998,818.16x = 432,877,395,068.80
  5. Step 5: Solve for x
    x = 432,877,395,068.80/998,818.16
  6. Step 6: Final answer
    x = 433,389.59

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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.