Home / 988,525.68-1,482,633-278,628.72

Finding the Fourth Proportional to 988,525.68, 1,482,633 and 278,628.72

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Solution

The fourth proportional to 988,525.68, 1,482,633 and 278,628.72 is: 417,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,525.68 : 1,482,633 = 278,628.72 : x
  2. Step 2: Convert to fraction form
    988,525.68/1,482,633 = 278,628.72/x
  3. Step 3: Cross multiply
    988,525.68x = 1,482,633 × 278,628.72
  4. Step 4: Simplify right side
    988,525.68x = 413,104,135,019.76
  5. Step 5: Solve for x
    x = 413,104,135,019.76/988,525.68
  6. Step 6: Final answer
    x = 417,899.24

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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.