Home / 729,679.10-1,094,518.65-256,412.30

Finding the Fourth Proportional to 729,679.10, 1,094,518.65 and 256,412.30

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Solution

The fourth proportional to 729,679.10, 1,094,518.65 and 256,412.30 is: 384,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,679.10 : 1,094,518.65 = 256,412.30 : x
  2. Step 2: Convert to fraction form
    729,679.10/1,094,518.65 = 256,412.30/x
  3. Step 3: Cross multiply
    729,679.10x = 1,094,518.65 × 256,412.30
  4. Step 4: Simplify right side
    729,679.10x = 280,648,044,439.40
  5. Step 5: Solve for x
    x = 280,648,044,439.40/729,679.10
  6. Step 6: Final answer
    x = 384,618.45

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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.