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Finding the Fourth Proportional to 603,417.60, 902,793.60 and 393,465.60

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Solution

The fourth proportional to 603,417.60, 902,793.60 and 393,465.60 is: 588,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,417.60 : 902,793.60 = 393,465.60 : x
  2. Step 2: Convert to fraction form
    603,417.60/902,793.60 = 393,465.60/x
  3. Step 3: Cross multiply
    603,417.60x = 902,793.60 × 393,465.60
  4. Step 4: Simplify right side
    603,417.60x = 355,218,225,500.16
  5. Step 5: Solve for x
    x = 355,218,225,500.16/603,417.60
  6. Step 6: Final answer
    x = 588,677.27

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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.