Home / 843,170.22-1,264,771.80-310,417.02

Finding the Fourth Proportional to 843,170.22, 1,264,771.80 and 310,417.02

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Solution

The fourth proportional to 843,170.22, 1,264,771.80 and 310,417.02 is: 465,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,170.22 : 1,264,771.80 = 310,417.02 : x
  2. Step 2: Convert to fraction form
    843,170.22/1,264,771.80 = 310,417.02/x
  3. Step 3: Cross multiply
    843,170.22x = 1,264,771.80 × 310,417.02
  4. Step 4: Simplify right side
    843,170.22x = 392,606,693,136.04
  5. Step 5: Solve for x
    x = 392,606,693,136.04/843,170.22
  6. Step 6: Final answer
    x = 465,631.59

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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.