Home / 914,667.60-1,372,001.40-283,645.20

Finding the Fourth Proportional to 914,667.60, 1,372,001.40 and 283,645.20

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Solution

The fourth proportional to 914,667.60, 1,372,001.40 and 283,645.20 is: 425,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,667.60 : 1,372,001.40 = 283,645.20 : x
  2. Step 2: Convert to fraction form
    914,667.60/1,372,001.40 = 283,645.20/x
  3. Step 3: Cross multiply
    914,667.60x = 1,372,001.40 × 283,645.20
  4. Step 4: Simplify right side
    914,667.60x = 389,161,611,503.28
  5. Step 5: Solve for x
    x = 389,161,611,503.28/914,667.60
  6. Step 6: Final answer
    x = 425,467.80

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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.