Home / 748,540.40-1,122,820.20-249,904.40

Finding the Fourth Proportional to 748,540.40, 1,122,820.20 and 249,904.40

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Solution

The fourth proportional to 748,540.40, 1,122,820.20 and 249,904.40 is: 374,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,540.40 : 1,122,820.20 = 249,904.40 : x
  2. Step 2: Convert to fraction form
    748,540.40/1,122,820.20 = 249,904.40/x
  3. Step 3: Cross multiply
    748,540.40x = 1,122,820.20 × 249,904.40
  4. Step 4: Simplify right side
    748,540.40x = 280,597,708,388.88
  5. Step 5: Solve for x
    x = 280,597,708,388.88/748,540.40
  6. Step 6: Final answer
    x = 374,859.81

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Double scale
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1.5x scale

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.