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Finding the Fourth Proportional to 888,924, 1,226,705.76 and 481,016.92

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Solution

The fourth proportional to 888,924, 1,226,705.76 and 481,016.92 is: 663,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,924 : 1,226,705.76 = 481,016.92 : x
  2. Step 2: Convert to fraction form
    888,924/1,226,705.76 = 481,016.92/x
  3. Step 3: Cross multiply
    888,924x = 1,226,705.76 × 481,016.92
  4. Step 4: Simplify right side
    888,924x = 590,066,226,421.46
  5. Step 5: Solve for x
    x = 590,066,226,421.46/888,924
  6. Step 6: Final answer
    x = 663,798.28

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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.