Home / 925,810.80-1,387,679.40-526,642.80

Finding the Fourth Proportional to 925,810.80, 1,387,679.40 and 526,642.80

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Solution

The fourth proportional to 925,810.80, 1,387,679.40 and 526,642.80 is: 789,374.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,810.80 : 1,387,679.40 = 526,642.80 : x
  2. Step 2: Convert to fraction form
    925,810.80/1,387,679.40 = 526,642.80/x
  3. Step 3: Cross multiply
    925,810.80x = 1,387,679.40 × 526,642.80
  4. Step 4: Simplify right side
    925,810.80x = 730,811,364,718.32
  5. Step 5: Solve for x
    x = 730,811,364,718.32/925,810.80
  6. Step 6: Final answer
    x = 789,374.42

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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.