Home / 739,125.60-1,108,688.40-240,489.60

Finding the Fourth Proportional to 739,125.60, 1,108,688.40 and 240,489.60

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Solution

The fourth proportional to 739,125.60, 1,108,688.40 and 240,489.60 is: 360,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,125.60 : 1,108,688.40 = 240,489.60 : x
  2. Step 2: Convert to fraction form
    739,125.60/1,108,688.40 = 240,489.60/x
  3. Step 3: Cross multiply
    739,125.60x = 1,108,688.40 × 240,489.60
  4. Step 4: Simplify right side
    739,125.60x = 266,628,029,840.64
  5. Step 5: Solve for x
    x = 266,628,029,840.64/739,125.60
  6. Step 6: Final answer
    x = 360,734.40

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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.