Home / 815,614.33-1,223,433.80-283,152.28

Finding the Fourth Proportional to 815,614.33, 1,223,433.80 and 283,152.28

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Solution

The fourth proportional to 815,614.33, 1,223,433.80 and 283,152.28 is: 424,732.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,614.33 : 1,223,433.80 = 283,152.28 : x
  2. Step 2: Convert to fraction form
    815,614.33/1,223,433.80 = 283,152.28/x
  3. Step 3: Cross multiply
    815,614.33x = 1,223,433.80 × 283,152.28
  4. Step 4: Simplify right side
    815,614.33x = 346,418,066,840.48
  5. Step 5: Solve for x
    x = 346,418,066,840.48/815,614.33
  6. Step 6: Final answer
    x = 424,732.69

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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.