Home / 743,209.02-1,114,016.56-486,944.79

Finding the Fourth Proportional to 743,209.02, 1,114,016.56 and 486,944.79

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Solution

The fourth proportional to 743,209.02, 1,114,016.56 and 486,944.79 is: 729,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,209.02 : 1,114,016.56 = 486,944.79 : x
  2. Step 2: Convert to fraction form
    743,209.02/1,114,016.56 = 486,944.79/x
  3. Step 3: Cross multiply
    743,209.02x = 1,114,016.56 × 486,944.79
  4. Step 4: Simplify right side
    743,209.02x = 542,464,551,860.92
  5. Step 5: Solve for x
    x = 542,464,551,860.92/743,209.02
  6. Step 6: Final answer
    x = 729,895.01

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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.