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Finding the Fourth Proportional to 540,430.60, 808,313.10 and 456,449.80

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Solution

The fourth proportional to 540,430.60, 808,313.10 and 456,449.80 is: 682,704.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,430.60 : 808,313.10 = 456,449.80 : x
  2. Step 2: Convert to fraction form
    540,430.60/808,313.10 = 456,449.80/x
  3. Step 3: Cross multiply
    540,430.60x = 808,313.10 × 456,449.80
  4. Step 4: Simplify right side
    540,430.60x = 368,954,352,832.38
  5. Step 5: Solve for x
    x = 368,954,352,832.38/540,430.60
  6. Step 6: Final answer
    x = 682,704.41

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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.