Home / 888,030.80-1,330,515.30-413,743.40

Finding the Fourth Proportional to 888,030.80, 1,330,515.30 and 413,743.40

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Solution

The fourth proportional to 888,030.80, 1,330,515.30 and 413,743.40 is: 619,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,030.80 : 1,330,515.30 = 413,743.40 : x
  2. Step 2: Convert to fraction form
    888,030.80/1,330,515.30 = 413,743.40/x
  3. Step 3: Cross multiply
    888,030.80x = 1,330,515.30 × 413,743.40
  4. Step 4: Simplify right side
    888,030.80x = 550,491,923,974.02
  5. Step 5: Solve for x
    x = 550,491,923,974.02/888,030.80
  6. Step 6: Final answer
    x = 619,901.84

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1.5x scale

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.