Home / 688,416.93-1,032,224.43-267,200.73

Finding the Fourth Proportional to 688,416.93, 1,032,224.43 and 267,200.73

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Solution

The fourth proportional to 688,416.93, 1,032,224.43 and 267,200.73 is: 400,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,416.93 : 1,032,224.43 = 267,200.73 : x
  2. Step 2: Convert to fraction form
    688,416.93/1,032,224.43 = 267,200.73/x
  3. Step 3: Cross multiply
    688,416.93x = 1,032,224.43 × 267,200.73
  4. Step 4: Simplify right side
    688,416.93x = 275,811,121,219.83
  5. Step 5: Solve for x
    x = 275,811,121,219.83/688,416.93
  6. Step 6: Final answer
    x = 400,645.47

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Double scale
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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.