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Finding the Fourth Proportional to 888,019.80, 1,330,498.80 and 413,732.40

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Solution

The fourth proportional to 888,019.80, 1,330,498.80 and 413,732.40 is: 619,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,019.80 : 1,330,498.80 = 413,732.40 : x
  2. Step 2: Convert to fraction form
    888,019.80/1,330,498.80 = 413,732.40/x
  3. Step 3: Cross multiply
    888,019.80x = 1,330,498.80 × 413,732.40
  4. Step 4: Simplify right side
    888,019.80x = 550,470,461,721.12
  5. Step 5: Solve for x
    x = 550,470,461,721.12/888,019.80
  6. Step 6: Final answer
    x = 619,885.35

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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.