Home / 988,219.83-1,482,314.16-314,291.40

Finding the Fourth Proportional to 988,219.83, 1,482,314.16 and 314,291.40

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Solution

The fourth proportional to 988,219.83, 1,482,314.16 and 314,291.40 is: 471,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,219.83 : 1,482,314.16 = 314,291.40 : x
  2. Step 2: Convert to fraction form
    988,219.83/1,482,314.16 = 314,291.40/x
  3. Step 3: Cross multiply
    988,219.83x = 1,482,314.16 × 314,291.40
  4. Step 4: Simplify right side
    988,219.83x = 465,878,592,586.22
  5. Step 5: Solve for x
    x = 465,878,592,586.22/988,219.83
  6. Step 6: Final answer
    x = 471,432.14

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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.