Home / 743,317.20-1,042,743.60-743,317.20

Finding the Fourth Proportional to 743,317.20, 1,042,743.60 and 743,317.20

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Solution

The fourth proportional to 743,317.20, 1,042,743.60 and 743,317.20 is: 1,042,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,317.20 : 1,042,743.60 = 743,317.20 : x
  2. Step 2: Convert to fraction form
    743,317.20/1,042,743.60 = 743,317.20/x
  3. Step 3: Cross multiply
    743,317.20x = 1,042,743.60 × 743,317.20
  4. Step 4: Simplify right side
    743,317.20x = 775,089,253,069.92
  5. Step 5: Solve for x
    x = 775,089,253,069.92/743,317.20
  6. Step 6: Final answer
    x = 1,042,743.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.