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Finding the Fourth Proportional to 453,790.80, 680,686.20 and 446,792.40

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Solution

The fourth proportional to 453,790.80, 680,686.20 and 446,792.40 is: 670,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,790.80 : 680,686.20 = 446,792.40 : x
  2. Step 2: Convert to fraction form
    453,790.80/680,686.20 = 446,792.40/x
  3. Step 3: Cross multiply
    453,790.80x = 680,686.20 × 446,792.40
  4. Step 4: Simplify right side
    453,790.80x = 304,125,420,944.88
  5. Step 5: Solve for x
    x = 304,125,420,944.88/453,790.80
  6. Step 6: Final answer
    x = 670,188.60

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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.