Home / 756,606.30-1,134,909.45-283,266.60

Finding the Fourth Proportional to 756,606.30, 1,134,909.45 and 283,266.60

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Solution

The fourth proportional to 756,606.30, 1,134,909.45 and 283,266.60 is: 424,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,606.30 : 1,134,909.45 = 283,266.60 : x
  2. Step 2: Convert to fraction form
    756,606.30/1,134,909.45 = 283,266.60/x
  3. Step 3: Cross multiply
    756,606.30x = 1,134,909.45 × 283,266.60
  4. Step 4: Simplify right side
    756,606.30x = 321,481,941,209.37
  5. Step 5: Solve for x
    x = 321,481,941,209.37/756,606.30
  6. Step 6: Final answer
    x = 424,899.90

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Double scale
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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.