Home / 748,340.64-1,122,520.68-249,704.64

Finding the Fourth Proportional to 748,340.64, 1,122,520.68 and 249,704.64

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Solution

The fourth proportional to 748,340.64, 1,122,520.68 and 249,704.64 is: 374,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,340.64 : 1,122,520.68 = 249,704.64 : x
  2. Step 2: Convert to fraction form
    748,340.64/1,122,520.68 = 249,704.64/x
  3. Step 3: Cross multiply
    748,340.64x = 1,122,520.68 × 249,704.64
  4. Step 4: Simplify right side
    748,340.64x = 280,298,622,291.96
  5. Step 5: Solve for x
    x = 280,298,622,291.96/748,340.64
  6. Step 6: Final answer
    x = 374,560.20

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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.