Home / 743,283.60-1,114,925.40-269,984.40

Finding the Fourth Proportional to 743,283.60, 1,114,925.40 and 269,984.40

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Solution

The fourth proportional to 743,283.60, 1,114,925.40 and 269,984.40 is: 404,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,283.60 : 1,114,925.40 = 269,984.40 : x
  2. Step 2: Convert to fraction form
    743,283.60/1,114,925.40 = 269,984.40/x
  3. Step 3: Cross multiply
    743,283.60x = 1,114,925.40 × 269,984.40
  4. Step 4: Simplify right side
    743,283.60x = 301,012,465,163.76
  5. Step 5: Solve for x
    x = 301,012,465,163.76/743,283.60
  6. Step 6: Final answer
    x = 404,976.60

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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.