Home / 743,197.60-1,114,148.40-505,770.40

Finding the Fourth Proportional to 743,197.60, 1,114,148.40 and 505,770.40

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Solution

The fourth proportional to 743,197.60, 1,114,148.40 and 505,770.40 is: 758,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,197.60 : 1,114,148.40 = 505,770.40 : x
  2. Step 2: Convert to fraction form
    743,197.60/1,114,148.40 = 505,770.40/x
  3. Step 3: Cross multiply
    743,197.60x = 1,114,148.40 × 505,770.40
  4. Step 4: Simplify right side
    743,197.60x = 563,503,281,927.36
  5. Step 5: Solve for x
    x = 563,503,281,927.36/743,197.60
  6. Step 6: Final answer
    x = 758,214.61

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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.