Home / 815,614.08-1,223,433.42-283,152.03

Finding the Fourth Proportional to 815,614.08, 1,223,433.42 and 283,152.03

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Solution

The fourth proportional to 815,614.08, 1,223,433.42 and 283,152.03 is: 424,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,614.08 : 1,223,433.42 = 283,152.03 : x
  2. Step 2: Convert to fraction form
    815,614.08/1,223,433.42 = 283,152.03/x
  3. Step 3: Cross multiply
    815,614.08x = 1,223,433.42 × 283,152.03
  4. Step 4: Simplify right side
    815,614.08x = 346,417,652,916.79
  5. Step 5: Solve for x
    x = 346,417,652,916.79/815,614.08
  6. Step 6: Final answer
    x = 424,732.31

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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.