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Finding the Fourth Proportional to 540,427.60, 808,308.60 and 456,446.80

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Solution

The fourth proportional to 540,427.60, 808,308.60 and 456,446.80 is: 682,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,427.60 : 808,308.60 = 456,446.80 : x
  2. Step 2: Convert to fraction form
    540,427.60/808,308.60 = 456,446.80/x
  3. Step 3: Cross multiply
    540,427.60x = 808,308.60 × 456,446.80
  4. Step 4: Simplify right side
    540,427.60x = 368,949,873,882.48
  5. Step 5: Solve for x
    x = 368,949,873,882.48/540,427.60
  6. Step 6: Final answer
    x = 682,699.91

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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.