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Finding the Fourth Proportional to 665,600.40, 998,400.60 and 506,168.10

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Solution

The fourth proportional to 665,600.40, 998,400.60 and 506,168.10 is: 759,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,600.40 : 998,400.60 = 506,168.10 : x
  2. Step 2: Convert to fraction form
    665,600.40/998,400.60 = 506,168.10/x
  3. Step 3: Cross multiply
    665,600.40x = 998,400.60 × 506,168.10
  4. Step 4: Simplify right side
    665,600.40x = 505,358,534,740.86
  5. Step 5: Solve for x
    x = 505,358,534,740.86/665,600.40
  6. Step 6: Final answer
    x = 759,252.15

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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.