Home / 836,051.51-1,254,409.56-267,520.20

Finding the Fourth Proportional to 836,051.51, 1,254,409.56 and 267,520.20

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Solution

The fourth proportional to 836,051.51, 1,254,409.56 and 267,520.20 is: 401,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,051.51 : 1,254,409.56 = 267,520.20 : x
  2. Step 2: Convert to fraction form
    836,051.51/1,254,409.56 = 267,520.20/x
  3. Step 3: Cross multiply
    836,051.51x = 1,254,409.56 × 267,520.20
  4. Step 4: Simplify right side
    836,051.51x = 335,579,896,373.11
  5. Step 5: Solve for x
    x = 335,579,896,373.11/836,051.51
  6. Step 6: Final answer
    x = 401,386.63

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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.