Home / 746,253-1,119,379.50-272,680.20

Finding the Fourth Proportional to 746,253, 1,119,379.50 and 272,680.20

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Solution

The fourth proportional to 746,253, 1,119,379.50 and 272,680.20 is: 409,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,253 : 1,119,379.50 = 272,680.20 : x
  2. Step 2: Convert to fraction form
    746,253/1,119,379.50 = 272,680.20/x
  3. Step 3: Cross multiply
    746,253x = 1,119,379.50 × 272,680.20
  4. Step 4: Simplify right side
    746,253x = 305,232,625,935.90
  5. Step 5: Solve for x
    x = 305,232,625,935.90/746,253
  6. Step 6: Final answer
    x = 409,020.30

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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.