Home / 739,259.90-1,108,889.85-265,960.70

Finding the Fourth Proportional to 739,259.90, 1,108,889.85 and 265,960.70

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Solution

The fourth proportional to 739,259.90, 1,108,889.85 and 265,960.70 is: 398,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,259.90 : 1,108,889.85 = 265,960.70 : x
  2. Step 2: Convert to fraction form
    739,259.90/1,108,889.85 = 265,960.70/x
  3. Step 3: Cross multiply
    739,259.90x = 1,108,889.85 × 265,960.70
  4. Step 4: Simplify right side
    739,259.90x = 294,921,120,728.90
  5. Step 5: Solve for x
    x = 294,921,120,728.90/739,259.90
  6. Step 6: Final answer
    x = 398,941.05

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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.