Home / 815,266.80-1,125,089.28-452,705.94

Finding the Fourth Proportional to 815,266.80, 1,125,089.28 and 452,705.94

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Solution

The fourth proportional to 815,266.80, 1,125,089.28 and 452,705.94 is: 624,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,266.80 : 1,125,089.28 = 452,705.94 : x
  2. Step 2: Convert to fraction form
    815,266.80/1,125,089.28 = 452,705.94/x
  3. Step 3: Cross multiply
    815,266.80x = 1,125,089.28 × 452,705.94
  4. Step 4: Simplify right side
    815,266.80x = 509,334,600,086.32
  5. Step 5: Solve for x
    x = 509,334,600,086.32/815,266.80
  6. Step 6: Final answer
    x = 624,745.91

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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.