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Finding the Fourth Proportional to 441,887.40, 662,150.70 and 329,038.20

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Solution

The fourth proportional to 441,887.40, 662,150.70 and 329,038.20 is: 493,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,887.40 : 662,150.70 = 329,038.20 : x
  2. Step 2: Convert to fraction form
    441,887.40/662,150.70 = 329,038.20/x
  3. Step 3: Cross multiply
    441,887.40x = 662,150.70 × 329,038.20
  4. Step 4: Simplify right side
    441,887.40x = 217,872,874,456.74
  5. Step 5: Solve for x
    x = 217,872,874,456.74/441,887.40
  6. Step 6: Final answer
    x = 493,050.66

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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.