Home / 988,219.65-1,482,313.87-314,291.22

Finding the Fourth Proportional to 988,219.65, 1,482,313.87 and 314,291.22

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Solution

The fourth proportional to 988,219.65, 1,482,313.87 and 314,291.22 is: 471,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,219.65 : 1,482,313.87 = 314,291.22 : x
  2. Step 2: Convert to fraction form
    988,219.65/1,482,313.87 = 314,291.22/x
  3. Step 3: Cross multiply
    988,219.65x = 1,482,313.87 × 314,291.22
  4. Step 4: Simplify right side
    988,219.65x = 465,878,234,625.22
  5. Step 5: Solve for x
    x = 465,878,234,625.22/988,219.65
  6. Step 6: Final answer
    x = 471,431.87

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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.