Home / 688,415.43-1,032,222.18-267,199.23

Finding the Fourth Proportional to 688,415.43, 1,032,222.18 and 267,199.23

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Solution

The fourth proportional to 688,415.43, 1,032,222.18 and 267,199.23 is: 400,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,415.43 : 1,032,222.18 = 267,199.23 : x
  2. Step 2: Convert to fraction form
    688,415.43/1,032,222.18 = 267,199.23/x
  3. Step 3: Cross multiply
    688,415.43x = 1,032,222.18 × 267,199.23
  4. Step 4: Simplify right side
    688,415.43x = 275,808,971,684.92
  5. Step 5: Solve for x
    x = 275,808,971,684.92/688,415.43
  6. Step 6: Final answer
    x = 400,643.22

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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.