Home / 989,235-1,482,636.18-456,016.44

Finding the Fourth Proportional to 989,235, 1,482,636.18 and 456,016.44

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Solution

The fourth proportional to 989,235, 1,482,636.18 and 456,016.44 is: 683,463.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,235 : 1,482,636.18 = 456,016.44 : x
  2. Step 2: Convert to fraction form
    989,235/1,482,636.18 = 456,016.44/x
  3. Step 3: Cross multiply
    989,235x = 1,482,636.18 × 456,016.44
  4. Step 4: Simplify right side
    989,235x = 676,106,472,618.80
  5. Step 5: Solve for x
    x = 676,106,472,618.80/989,235
  6. Step 6: Final answer
    x = 683,463.96

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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.