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Finding the Fourth Proportional to 602,467.29, 831,400.11 and 347,958.81

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Solution

The fourth proportional to 602,467.29, 831,400.11 and 347,958.81 is: 480,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,467.29 : 831,400.11 = 347,958.81 : x
  2. Step 2: Convert to fraction form
    602,467.29/831,400.11 = 347,958.81/x
  3. Step 3: Cross multiply
    602,467.29x = 831,400.11 × 347,958.81
  4. Step 4: Simplify right side
    602,467.29x = 289,292,992,909.47
  5. Step 5: Solve for x
    x = 289,292,992,909.47/602,467.29
  6. Step 6: Final answer
    x = 480,180.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.