Home / 988,218.75-1,482,328.14-314,301.45

Finding the Fourth Proportional to 988,218.75, 1,482,328.14 and 314,301.45

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Solution

The fourth proportional to 988,218.75, 1,482,328.14 and 314,301.45 is: 471,452.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,218.75 : 1,482,328.14 = 314,301.45 : x
  2. Step 2: Convert to fraction form
    988,218.75/1,482,328.14 = 314,301.45/x
  3. Step 3: Cross multiply
    988,218.75x = 1,482,328.14 × 314,301.45
  4. Step 4: Simplify right side
    988,218.75x = 465,897,883,777.80
  5. Step 5: Solve for x
    x = 465,897,883,777.80/988,218.75
  6. Step 6: Final answer
    x = 471,452.18

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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.