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Finding the Fourth Proportional to 474,465.60, 710,661.60 and 368,452.80

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Solution

The fourth proportional to 474,465.60, 710,661.60 and 368,452.80 is: 551,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,465.60 : 710,661.60 = 368,452.80 : x
  2. Step 2: Convert to fraction form
    474,465.60/710,661.60 = 368,452.80/x
  3. Step 3: Cross multiply
    474,465.60x = 710,661.60 × 368,452.80
  4. Step 4: Simplify right side
    474,465.60x = 261,845,256,372.48
  5. Step 5: Solve for x
    x = 261,845,256,372.48/474,465.60
  6. Step 6: Final answer
    x = 551,874.06

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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.