Home / 991,254.96-1,486,883.64-271,602.84

Finding the Fourth Proportional to 991,254.96, 1,486,883.64 and 271,602.84

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Solution

The fourth proportional to 991,254.96, 1,486,883.64 and 271,602.84 is: 407,404.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,254.96 : 1,486,883.64 = 271,602.84 : x
  2. Step 2: Convert to fraction form
    991,254.96/1,486,883.64 = 271,602.84/x
  3. Step 3: Cross multiply
    991,254.96x = 1,486,883.64 × 271,602.84
  4. Step 4: Simplify right side
    991,254.96x = 403,841,819,373.54
  5. Step 5: Solve for x
    x = 403,841,819,373.54/991,254.96
  6. Step 6: Final answer
    x = 407,404.59

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Double scale
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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.