Home / 682,437.75-941,764.10-380,631.75

Finding the Fourth Proportional to 682,437.75, 941,764.10 and 380,631.75

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Solution

The fourth proportional to 682,437.75, 941,764.10 and 380,631.75 is: 525,271.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,437.75 : 941,764.10 = 380,631.75 : x
  2. Step 2: Convert to fraction form
    682,437.75/941,764.10 = 380,631.75/x
  3. Step 3: Cross multiply
    682,437.75x = 941,764.10 × 380,631.75
  4. Step 4: Simplify right side
    682,437.75x = 358,465,315,567.02
  5. Step 5: Solve for x
    x = 358,465,315,567.02/682,437.75
  6. Step 6: Final answer
    x = 525,271.82

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.