Home / 823,266.10-1,234,899.15-571,323.70

Finding the Fourth Proportional to 823,266.10, 1,234,899.15 and 571,323.70

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Solution

The fourth proportional to 823,266.10, 1,234,899.15 and 571,323.70 is: 856,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,266.10 : 1,234,899.15 = 571,323.70 : x
  2. Step 2: Convert to fraction form
    823,266.10/1,234,899.15 = 571,323.70/x
  3. Step 3: Cross multiply
    823,266.10x = 1,234,899.15 × 571,323.70
  4. Step 4: Simplify right side
    823,266.10x = 705,527,151,504.86
  5. Step 5: Solve for x
    x = 705,527,151,504.86/823,266.10
  6. Step 6: Final answer
    x = 856,985.55

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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.