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Finding the Fourth Proportional to 888,911.12, 1,226,700.59 and 481,012.96

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Solution

The fourth proportional to 888,911.12, 1,226,700.59 and 481,012.96 is: 663,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,911.12 : 1,226,700.59 = 481,012.96 : x
  2. Step 2: Convert to fraction form
    888,911.12/1,226,700.59 = 481,012.96/x
  3. Step 3: Cross multiply
    888,911.12x = 1,226,700.59 × 481,012.96
  4. Step 4: Simplify right side
    888,911.12x = 590,058,881,829.65
  5. Step 5: Solve for x
    x = 590,058,881,829.65/888,911.12
  6. Step 6: Final answer
    x = 663,799.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.