Home / 748,067.40-1,122,101.10-570,920.40

Finding the Fourth Proportional to 748,067.40, 1,122,101.10 and 570,920.40

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Solution

The fourth proportional to 748,067.40, 1,122,101.10 and 570,920.40 is: 856,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,067.40 : 1,122,101.10 = 570,920.40 : x
  2. Step 2: Convert to fraction form
    748,067.40/1,122,101.10 = 570,920.40/x
  3. Step 3: Cross multiply
    748,067.40x = 1,122,101.10 × 570,920.40
  4. Step 4: Simplify right side
    748,067.40x = 640,630,408,852.44
  5. Step 5: Solve for x
    x = 640,630,408,852.44/748,067.40
  6. Step 6: Final answer
    x = 856,380.60

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Double scale
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Similar ratio
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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.