Home / 948,778.23-1,309,288.86-561,613.62

Finding the Fourth Proportional to 948,778.23, 1,309,288.86 and 561,613.62

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Solution

The fourth proportional to 948,778.23, 1,309,288.86 and 561,613.62 is: 775,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,778.23 : 1,309,288.86 = 561,613.62 : x
  2. Step 2: Convert to fraction form
    948,778.23/1,309,288.86 = 561,613.62/x
  3. Step 3: Cross multiply
    948,778.23x = 1,309,288.86 × 561,613.62
  4. Step 4: Simplify right side
    948,778.23x = 735,314,456,290.27
  5. Step 5: Solve for x
    x = 735,314,456,290.27/948,778.23
  6. Step 6: Final answer
    x = 775,011.94

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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.