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Finding the Fourth Proportional to 491,164.20, 734,903.10 and 446,927.40

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Solution

The fourth proportional to 491,164.20, 734,903.10 and 446,927.40 is: 668,713.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,164.20 : 734,903.10 = 446,927.40 : x
  2. Step 2: Convert to fraction form
    491,164.20/734,903.10 = 446,927.40/x
  3. Step 3: Cross multiply
    491,164.20x = 734,903.10 × 446,927.40
  4. Step 4: Simplify right side
    491,164.20x = 328,448,331,734.94
  5. Step 5: Solve for x
    x = 328,448,331,734.94/491,164.20
  6. Step 6: Final answer
    x = 668,713.91

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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.