Home / 739,036.80-1,108,555.20-265,737.60

Finding the Fourth Proportional to 739,036.80, 1,108,555.20 and 265,737.60

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Solution

The fourth proportional to 739,036.80, 1,108,555.20 and 265,737.60 is: 398,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,036.80 : 1,108,555.20 = 265,737.60 : x
  2. Step 2: Convert to fraction form
    739,036.80/1,108,555.20 = 265,737.60/x
  3. Step 3: Cross multiply
    739,036.80x = 1,108,555.20 × 265,737.60
  4. Step 4: Simplify right side
    739,036.80x = 294,584,798,315.52
  5. Step 5: Solve for x
    x = 294,584,798,315.52/739,036.80
  6. Step 6: Final answer
    x = 398,606.40

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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.