Home / 793,397.80-1,189,853.70-260,795.80

Finding the Fourth Proportional to 793,397.80, 1,189,853.70 and 260,795.80

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Solution

The fourth proportional to 793,397.80, 1,189,853.70 and 260,795.80 is: 391,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,397.80 : 1,189,853.70 = 260,795.80 : x
  2. Step 2: Convert to fraction form
    793,397.80/1,189,853.70 = 260,795.80/x
  3. Step 3: Cross multiply
    793,397.80x = 1,189,853.70 × 260,795.80
  4. Step 4: Simplify right side
    793,397.80x = 310,308,847,574.46
  5. Step 5: Solve for x
    x = 310,308,847,574.46/793,397.80
  6. Step 6: Final answer
    x = 391,113.82

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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.