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Finding the Fourth Proportional to 474,226.32, 654,133.14 and 330,934.08

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Solution

The fourth proportional to 474,226.32, 654,133.14 and 330,934.08 is: 456,480.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,226.32 : 654,133.14 = 330,934.08 : x
  2. Step 2: Convert to fraction form
    474,226.32/654,133.14 = 330,934.08/x
  3. Step 3: Cross multiply
    474,226.32x = 654,133.14 × 330,934.08
  4. Step 4: Simplify right side
    474,226.32x = 216,474,948,883.41
  5. Step 5: Solve for x
    x = 216,474,948,883.41/474,226.32
  6. Step 6: Final answer
    x = 456,480.25

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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.