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Finding the Fourth Proportional to 540,433.60, 808,317.60 and 456,452.80

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Solution

The fourth proportional to 540,433.60, 808,317.60 and 456,452.80 is: 682,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,433.60 : 808,317.60 = 456,452.80 : x
  2. Step 2: Convert to fraction form
    540,433.60/808,317.60 = 456,452.80/x
  3. Step 3: Cross multiply
    540,433.60x = 808,317.60 × 456,452.80
  4. Step 4: Simplify right side
    540,433.60x = 368,958,831,809.28
  5. Step 5: Solve for x
    x = 368,958,831,809.28/540,433.60
  6. Step 6: Final answer
    x = 682,708.91

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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.