Home / 879,219.95-1,318,645.38-247,986.14

Finding the Fourth Proportional to 879,219.95, 1,318,645.38 and 247,986.14

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Solution

The fourth proportional to 879,219.95, 1,318,645.38 and 247,986.14 is: 371,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,219.95 : 1,318,645.38 = 247,986.14 : x
  2. Step 2: Convert to fraction form
    879,219.95/1,318,645.38 = 247,986.14/x
  3. Step 3: Cross multiply
    879,219.95x = 1,318,645.38 × 247,986.14
  4. Step 4: Simplify right side
    879,219.95x = 327,005,773,278.49
  5. Step 5: Solve for x
    x = 327,005,773,278.49/879,219.95
  6. Step 6: Final answer
    x = 371,927.15

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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.