Home / 815,483.83-1,125,393.92-452,912.03

Finding the Fourth Proportional to 815,483.83, 1,125,393.92 and 452,912.03

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Solution

The fourth proportional to 815,483.83, 1,125,393.92 and 452,912.03 is: 625,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,483.83 : 1,125,393.92 = 452,912.03 : x
  2. Step 2: Convert to fraction form
    815,483.83/1,125,393.92 = 452,912.03/x
  3. Step 3: Cross multiply
    815,483.83x = 1,125,393.92 × 452,912.03
  4. Step 4: Simplify right side
    815,483.83x = 509,704,445,989.14
  5. Step 5: Solve for x
    x = 509,704,445,989.14/815,483.83
  6. Step 6: Final answer
    x = 625,033.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.