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Finding the Fourth Proportional to 453,775.20, 680,662.80 and 446,776.80

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Solution

The fourth proportional to 453,775.20, 680,662.80 and 446,776.80 is: 670,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,775.20 : 680,662.80 = 446,776.80 : x
  2. Step 2: Convert to fraction form
    453,775.20/680,662.80 = 446,776.80/x
  3. Step 3: Cross multiply
    453,775.20x = 680,662.80 × 446,776.80
  4. Step 4: Simplify right side
    453,775.20x = 304,104,347,663.04
  5. Step 5: Solve for x
    x = 304,104,347,663.04/453,775.20
  6. Step 6: Final answer
    x = 670,165.20

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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.