Home / 739,225.80-1,108,838.70-265,926.60

Finding the Fourth Proportional to 739,225.80, 1,108,838.70 and 265,926.60

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Solution

The fourth proportional to 739,225.80, 1,108,838.70 and 265,926.60 is: 398,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,225.80 : 1,108,838.70 = 265,926.60 : x
  2. Step 2: Convert to fraction form
    739,225.80/1,108,838.70 = 265,926.60/x
  3. Step 3: Cross multiply
    739,225.80x = 1,108,838.70 × 265,926.60
  4. Step 4: Simplify right side
    739,225.80x = 294,869,705,439.42
  5. Step 5: Solve for x
    x = 294,869,705,439.42/739,225.80
  6. Step 6: Final answer
    x = 398,889.90

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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.