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Finding the Fourth Proportional to 888,027.80, 1,330,510.80 and 413,740.40

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Solution

The fourth proportional to 888,027.80, 1,330,510.80 and 413,740.40 is: 619,897.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,027.80 : 1,330,510.80 = 413,740.40 : x
  2. Step 2: Convert to fraction form
    888,027.80/1,330,510.80 = 413,740.40/x
  3. Step 3: Cross multiply
    888,027.80x = 1,330,510.80 × 413,740.40
  4. Step 4: Simplify right side
    888,027.80x = 550,486,070,596.32
  5. Step 5: Solve for x
    x = 550,486,070,596.32/888,027.80
  6. Step 6: Final answer
    x = 619,897.34

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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.