Home / 897,380.32-1,238,399.38-489,482.04

Finding the Fourth Proportional to 897,380.32, 1,238,399.38 and 489,482.04

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Solution

The fourth proportional to 897,380.32, 1,238,399.38 and 489,482.04 is: 675,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,380.32 : 1,238,399.38 = 489,482.04 : x
  2. Step 2: Convert to fraction form
    897,380.32/1,238,399.38 = 489,482.04/x
  3. Step 3: Cross multiply
    897,380.32x = 1,238,399.38 × 489,482.04
  4. Step 4: Simplify right side
    897,380.32x = 606,174,253,146.99
  5. Step 5: Solve for x
    x = 606,174,253,146.99/897,380.32
  6. Step 6: Final answer
    x = 675,493.14

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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.