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Finding the Fourth Proportional to 447,883.59, 618,079.36 and 246,679.59

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Solution

The fourth proportional to 447,883.59, 618,079.36 and 246,679.59 is: 340,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,883.59 : 618,079.36 = 246,679.59 : x
  2. Step 2: Convert to fraction form
    447,883.59/618,079.36 = 246,679.59/x
  3. Step 3: Cross multiply
    447,883.59x = 618,079.36 × 246,679.59
  4. Step 4: Simplify right side
    447,883.59x = 152,467,565,275.89
  5. Step 5: Solve for x
    x = 152,467,565,275.89/447,883.59
  6. Step 6: Final answer
    x = 340,417.84

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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.