Home / 998,063.32-1,497,106.86-278,361.24

Finding the Fourth Proportional to 998,063.32, 1,497,106.86 and 278,361.24

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Solution

The fourth proportional to 998,063.32, 1,497,106.86 and 278,361.24 is: 417,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,063.32 : 1,497,106.86 = 278,361.24 : x
  2. Step 2: Convert to fraction form
    998,063.32/1,497,106.86 = 278,361.24/x
  3. Step 3: Cross multiply
    998,063.32x = 1,497,106.86 × 278,361.24
  4. Step 4: Simplify right side
    998,063.32x = 416,736,521,962.11
  5. Step 5: Solve for x
    x = 416,736,521,962.11/998,063.32
  6. Step 6: Final answer
    x = 417,545.17

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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.