Home / 843,147.48-1,264,723.38-344,511.48

Finding the Fourth Proportional to 843,147.48, 1,264,723.38 and 344,511.48

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Solution

The fourth proportional to 843,147.48, 1,264,723.38 and 344,511.48 is: 516,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,147.48 : 1,264,723.38 = 344,511.48 : x
  2. Step 2: Convert to fraction form
    843,147.48/1,264,723.38 = 344,511.48/x
  3. Step 3: Cross multiply
    843,147.48x = 1,264,723.38 × 344,511.48
  4. Step 4: Simplify right side
    843,147.48x = 435,711,723,434.40
  5. Step 5: Solve for x
    x = 435,711,723,434.40/843,147.48
  6. Step 6: Final answer
    x = 516,768.10

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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.