Home / 991,289.46-1,486,935.34-271,637.22

Finding the Fourth Proportional to 991,289.46, 1,486,935.34 and 271,637.22

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Solution

The fourth proportional to 991,289.46, 1,486,935.34 and 271,637.22 is: 407,456.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,289.46 : 1,486,935.34 = 271,637.22 : x
  2. Step 2: Convert to fraction form
    991,289.46/1,486,935.34 = 271,637.22/x
  3. Step 3: Cross multiply
    991,289.46x = 1,486,935.34 × 271,637.22
  4. Step 4: Simplify right side
    991,289.46x = 403,906,982,077.36
  5. Step 5: Solve for x
    x = 403,906,982,077.36/991,289.46
  6. Step 6: Final answer
    x = 407,456.15

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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.