Home / 739,485.60-1,109,228.40-240,849.60

Finding the Fourth Proportional to 739,485.60, 1,109,228.40 and 240,849.60

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Solution

The fourth proportional to 739,485.60, 1,109,228.40 and 240,849.60 is: 361,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,485.60 : 1,109,228.40 = 240,849.60 : x
  2. Step 2: Convert to fraction form
    739,485.60/1,109,228.40 = 240,849.60/x
  3. Step 3: Cross multiply
    739,485.60x = 1,109,228.40 × 240,849.60
  4. Step 4: Simplify right side
    739,485.60x = 267,157,216,448.64
  5. Step 5: Solve for x
    x = 267,157,216,448.64/739,485.60
  6. Step 6: Final answer
    x = 361,274.40

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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.