Home / 899,073.30-1,348,700.15-259,392.88

Finding the Fourth Proportional to 899,073.30, 1,348,700.15 and 259,392.88

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Solution

The fourth proportional to 899,073.30, 1,348,700.15 and 259,392.88 is: 389,115.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,073.30 : 1,348,700.15 = 259,392.88 : x
  2. Step 2: Convert to fraction form
    899,073.30/1,348,700.15 = 259,392.88/x
  3. Step 3: Cross multiply
    899,073.30x = 1,348,700.15 × 259,392.88
  4. Step 4: Simplify right side
    899,073.30x = 349,843,211,496.22
  5. Step 5: Solve for x
    x = 349,843,211,496.22/899,073.30
  6. Step 6: Final answer
    x = 389,115.34

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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.