Home / 753,021.56-1,129,292.79-247,465.53

Finding the Fourth Proportional to 753,021.56, 1,129,292.79 and 247,465.53

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Solution

The fourth proportional to 753,021.56, 1,129,292.79 and 247,465.53 is: 371,119.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,021.56 : 1,129,292.79 = 247,465.53 : x
  2. Step 2: Convert to fraction form
    753,021.56/1,129,292.79 = 247,465.53/x
  3. Step 3: Cross multiply
    753,021.56x = 1,129,292.79 × 247,465.53
  4. Step 4: Simplify right side
    753,021.56x = 279,461,037,874.53
  5. Step 5: Solve for x
    x = 279,461,037,874.53/753,021.56
  6. Step 6: Final answer
    x = 371,119.57

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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.