Home / 988,218.65-1,482,312.38-314,290.22

Finding the Fourth Proportional to 988,218.65, 1,482,312.38 and 314,290.22

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Solution

The fourth proportional to 988,218.65, 1,482,312.38 and 314,290.22 is: 471,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,218.65 : 1,482,312.38 = 314,290.22 : x
  2. Step 2: Convert to fraction form
    988,218.65/1,482,312.38 = 314,290.22/x
  3. Step 3: Cross multiply
    988,218.65x = 1,482,312.38 × 314,290.22
  4. Step 4: Simplify right side
    988,218.65x = 465,876,275,035.91
  5. Step 5: Solve for x
    x = 465,876,275,035.91/988,218.65
  6. Step 6: Final answer
    x = 471,430.36

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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.