Home / 666,619.16-1,000,053.11-267,291.18

Finding the Fourth Proportional to 666,619.16, 1,000,053.11 and 267,291.18

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Solution

The fourth proportional to 666,619.16, 1,000,053.11 and 267,291.18 is: 400,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,619.16 : 1,000,053.11 = 267,291.18 : x
  2. Step 2: Convert to fraction form
    666,619.16/1,000,053.11 = 267,291.18/x
  3. Step 3: Cross multiply
    666,619.16x = 1,000,053.11 × 267,291.18
  4. Step 4: Simplify right side
    666,619.16x = 267,305,374,498.11
  5. Step 5: Solve for x
    x = 267,305,374,498.11/666,619.16
  6. Step 6: Final answer
    x = 400,986.64

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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.