Home / 693,746.82-1,039,988.70-267,010.20

Finding the Fourth Proportional to 693,746.82, 1,039,988.70 and 267,010.20

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Solution

The fourth proportional to 693,746.82, 1,039,988.70 and 267,010.20 is: 400,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,746.82 : 1,039,988.70 = 267,010.20 : x
  2. Step 2: Convert to fraction form
    693,746.82/1,039,988.70 = 267,010.20/x
  3. Step 3: Cross multiply
    693,746.82x = 1,039,988.70 × 267,010.20
  4. Step 4: Simplify right side
    693,746.82x = 277,687,590,784.74
  5. Step 5: Solve for x
    x = 277,687,590,784.74/693,746.82
  6. Step 6: Final answer
    x = 400,272.24

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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.