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Finding the Fourth Proportional to 477,365.70, 658,781.62 and 262,522.10

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Solution

The fourth proportional to 477,365.70, 658,781.62 and 262,522.10 is: 362,289.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,365.70 : 658,781.62 = 262,522.10 : x
  2. Step 2: Convert to fraction form
    477,365.70/658,781.62 = 262,522.10/x
  3. Step 3: Cross multiply
    477,365.70x = 658,781.62 × 262,522.10
  4. Step 4: Simplify right side
    477,365.70x = 172,944,734,323.80
  5. Step 5: Solve for x
    x = 172,944,734,323.80/477,365.70
  6. Step 6: Final answer
    x = 362,289.82

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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.