Home / 945,667.60-1,418,501.40-448,003.60

Finding the Fourth Proportional to 945,667.60, 1,418,501.40 and 448,003.60

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Solution

The fourth proportional to 945,667.60, 1,418,501.40 and 448,003.60 is: 672,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,667.60 : 1,418,501.40 = 448,003.60 : x
  2. Step 2: Convert to fraction form
    945,667.60/1,418,501.40 = 448,003.60/x
  3. Step 3: Cross multiply
    945,667.60x = 1,418,501.40 × 448,003.60
  4. Step 4: Simplify right side
    945,667.60x = 635,493,733,805.04
  5. Step 5: Solve for x
    x = 635,493,733,805.04/945,667.60
  6. Step 6: Final answer
    x = 672,005.40

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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.