Home / 759,103.60-1,138,487.72-219,242.48

Finding the Fourth Proportional to 759,103.60, 1,138,487.72 and 219,242.48

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Solution

The fourth proportional to 759,103.60, 1,138,487.72 and 219,242.48 is: 328,815.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,103.60 : 1,138,487.72 = 219,242.48 : x
  2. Step 2: Convert to fraction form
    759,103.60/1,138,487.72 = 219,242.48/x
  3. Step 3: Cross multiply
    759,103.60x = 1,138,487.72 × 219,242.48
  4. Step 4: Simplify right side
    759,103.60x = 249,604,871,182.35
  5. Step 5: Solve for x
    x = 249,604,871,182.35/759,103.60
  6. Step 6: Final answer
    x = 328,815.29

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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.