Home / 989,177.46-1,482,769.27-389,906.65

Finding the Fourth Proportional to 989,177.46, 1,482,769.27 and 389,906.65

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Solution

The fourth proportional to 989,177.46, 1,482,769.27 and 389,906.65 is: 584,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,177.46 : 1,482,769.27 = 389,906.65 : x
  2. Step 2: Convert to fraction form
    989,177.46/1,482,769.27 = 389,906.65/x
  3. Step 3: Cross multiply
    989,177.46x = 1,482,769.27 × 389,906.65
  4. Step 4: Simplify right side
    989,177.46x = 578,141,598,788.65
  5. Step 5: Solve for x
    x = 578,141,598,788.65/989,177.46
  6. Step 6: Final answer
    x = 584,467.02

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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.