Home / 753,005.38-1,129,257.51-303,610.18

Finding the Fourth Proportional to 753,005.38, 1,129,257.51 and 303,610.18

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Solution

The fourth proportional to 753,005.38, 1,129,257.51 and 303,610.18 is: 455,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,005.38 : 1,129,257.51 = 303,610.18 : x
  2. Step 2: Convert to fraction form
    753,005.38/1,129,257.51 = 303,610.18/x
  3. Step 3: Cross multiply
    753,005.38x = 1,129,257.51 × 303,610.18
  4. Step 4: Simplify right side
    753,005.38x = 342,854,075,877.45
  5. Step 5: Solve for x
    x = 342,854,075,877.45/753,005.38
  6. Step 6: Final answer
    x = 455,314.24

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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.