Home / 815,573.02-1,223,082.51-310,012.33

Finding the Fourth Proportional to 815,573.02, 1,223,082.51 and 310,012.33

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Solution

The fourth proportional to 815,573.02, 1,223,082.51 and 310,012.33 is: 464,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,573.02 : 1,223,082.51 = 310,012.33 : x
  2. Step 2: Convert to fraction form
    815,573.02/1,223,082.51 = 310,012.33/x
  3. Step 3: Cross multiply
    815,573.02x = 1,223,082.51 × 310,012.33
  4. Step 4: Simplify right side
    815,573.02x = 379,170,658,707.35
  5. Step 5: Solve for x
    x = 379,170,658,707.35/815,573.02
  6. Step 6: Final answer
    x = 464,913.20

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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.