Home / 695,599.60-1,043,399.40-274,658.80

Finding the Fourth Proportional to 695,599.60, 1,043,399.40 and 274,658.80

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Solution

The fourth proportional to 695,599.60, 1,043,399.40 and 274,658.80 is: 411,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,599.60 : 1,043,399.40 = 274,658.80 : x
  2. Step 2: Convert to fraction form
    695,599.60/1,043,399.40 = 274,658.80/x
  3. Step 3: Cross multiply
    695,599.60x = 1,043,399.40 × 274,658.80
  4. Step 4: Simplify right side
    695,599.60x = 286,578,827,124.72
  5. Step 5: Solve for x
    x = 286,578,827,124.72/695,599.60
  6. Step 6: Final answer
    x = 411,988.20

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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.