Home / 913,226.40-1,370,228.40-576,525.60

Finding the Fourth Proportional to 913,226.40, 1,370,228.40 and 576,525.60

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Solution

The fourth proportional to 913,226.40, 1,370,228.40 and 576,525.60 is: 865,033.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,226.40 : 1,370,228.40 = 576,525.60 : x
  2. Step 2: Convert to fraction form
    913,226.40/1,370,228.40 = 576,525.60/x
  3. Step 3: Cross multiply
    913,226.40x = 1,370,228.40 × 576,525.60
  4. Step 4: Simplify right side
    913,226.40x = 789,971,750,447.04
  5. Step 5: Solve for x
    x = 789,971,750,447.04/913,226.40
  6. Step 6: Final answer
    x = 865,033.85

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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.