Home / 828,754.26-1,143,266.85-523,209.30

Finding the Fourth Proportional to 828,754.26, 1,143,266.85 and 523,209.30

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Solution

The fourth proportional to 828,754.26, 1,143,266.85 and 523,209.30 is: 721,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,754.26 : 1,143,266.85 = 523,209.30 : x
  2. Step 2: Convert to fraction form
    828,754.26/1,143,266.85 = 523,209.30/x
  3. Step 3: Cross multiply
    828,754.26x = 1,143,266.85 × 523,209.30
  4. Step 4: Simplify right side
    828,754.26x = 598,167,848,301.71
  5. Step 5: Solve for x
    x = 598,167,848,301.71/828,754.26
  6. Step 6: Final answer
    x = 721,767.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.