Home / 759,101.60-1,138,484.72-219,240.48

Finding the Fourth Proportional to 759,101.60, 1,138,484.72 and 219,240.48

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Solution

The fourth proportional to 759,101.60, 1,138,484.72 and 219,240.48 is: 328,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,101.60 : 1,138,484.72 = 219,240.48 : x
  2. Step 2: Convert to fraction form
    759,101.60/1,138,484.72 = 219,240.48/x
  3. Step 3: Cross multiply
    759,101.60x = 1,138,484.72 × 219,240.48
  4. Step 4: Simplify right side
    759,101.60x = 249,601,936,485.47
  5. Step 5: Solve for x
    x = 249,601,936,485.47/759,101.60
  6. Step 6: Final answer
    x = 328,812.29

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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.