Home / 791,051.10-1,186,285.05-391,559.10

Finding the Fourth Proportional to 791,051.10, 1,186,285.05 and 391,559.10

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Solution

The fourth proportional to 791,051.10, 1,186,285.05 and 391,559.10 is: 587,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,051.10 : 1,186,285.05 = 391,559.10 : x
  2. Step 2: Convert to fraction form
    791,051.10/1,186,285.05 = 391,559.10/x
  3. Step 3: Cross multiply
    791,051.10x = 1,186,285.05 × 391,559.10
  4. Step 4: Simplify right side
    791,051.10x = 464,500,706,521.46
  5. Step 5: Solve for x
    x = 464,500,706,521.46/791,051.10
  6. Step 6: Final answer
    x = 587,194.31

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Double scale
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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.