Home / 815,656.68-1,223,497.08-283,194.72

Finding the Fourth Proportional to 815,656.68, 1,223,497.08 and 283,194.72

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Solution

The fourth proportional to 815,656.68, 1,223,497.08 and 283,194.72 is: 424,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,656.68 : 1,223,497.08 = 283,194.72 : x
  2. Step 2: Convert to fraction form
    815,656.68/1,223,497.08 = 283,194.72/x
  3. Step 3: Cross multiply
    815,656.68x = 1,223,497.08 × 283,194.72
  4. Step 4: Simplify right side
    815,656.68x = 346,487,912,991.42
  5. Step 5: Solve for x
    x = 346,487,912,991.42/815,656.68
  6. Step 6: Final answer
    x = 424,796.27

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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.