Home / 736,909.20-1,105,363.80-263,631.60

Finding the Fourth Proportional to 736,909.20, 1,105,363.80 and 263,631.60

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Solution

The fourth proportional to 736,909.20, 1,105,363.80 and 263,631.60 is: 395,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,909.20 : 1,105,363.80 = 263,631.60 : x
  2. Step 2: Convert to fraction form
    736,909.20/1,105,363.80 = 263,631.60/x
  3. Step 3: Cross multiply
    736,909.20x = 1,105,363.80 × 263,631.60
  4. Step 4: Simplify right side
    736,909.20x = 291,408,827,176.08
  5. Step 5: Solve for x
    x = 291,408,827,176.08/736,909.20
  6. Step 6: Final answer
    x = 395,447.40

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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.