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Finding the Fourth Proportional to 888,014.80, 1,330,491.30 and 413,727.40

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Solution

The fourth proportional to 888,014.80, 1,330,491.30 and 413,727.40 is: 619,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,014.80 : 1,330,491.30 = 413,727.40 : x
  2. Step 2: Convert to fraction form
    888,014.80/1,330,491.30 = 413,727.40/x
  3. Step 3: Cross multiply
    888,014.80x = 1,330,491.30 × 413,727.40
  4. Step 4: Simplify right side
    888,014.80x = 550,460,706,271.62
  5. Step 5: Solve for x
    x = 550,460,706,271.62/888,014.80
  6. Step 6: Final answer
    x = 619,877.85

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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.