Home / 819,852.39-1,131,390.84-452,348.46

Finding the Fourth Proportional to 819,852.39, 1,131,390.84 and 452,348.46

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Solution

The fourth proportional to 819,852.39, 1,131,390.84 and 452,348.46 is: 624,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,852.39 : 1,131,390.84 = 452,348.46 : x
  2. Step 2: Convert to fraction form
    819,852.39/1,131,390.84 = 452,348.46/x
  3. Step 3: Cross multiply
    819,852.39x = 1,131,390.84 × 452,348.46
  4. Step 4: Simplify right side
    819,852.39x = 511,782,898,475.15
  5. Step 5: Solve for x
    x = 511,782,898,475.15/819,852.39
  6. Step 6: Final answer
    x = 624,237.86

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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.