Home / 759,395.40-1,138,925.22-219,534.45

Finding the Fourth Proportional to 759,395.40, 1,138,925.22 and 219,534.45

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Solution

The fourth proportional to 759,395.40, 1,138,925.22 and 219,534.45 is: 329,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,395.40 : 1,138,925.22 = 219,534.45 : x
  2. Step 2: Convert to fraction form
    759,395.40/1,138,925.22 = 219,534.45/x
  3. Step 3: Cross multiply
    759,395.40x = 1,138,925.22 × 219,534.45
  4. Step 4: Simplify right side
    759,395.40x = 250,033,321,763.83
  5. Step 5: Solve for x
    x = 250,033,321,763.83/759,395.40
  6. Step 6: Final answer
    x = 329,253.14

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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.