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Finding the Fourth Proportional to 477,230.76, 658,578.87 and 262,374.48

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Solution

The fourth proportional to 477,230.76, 658,578.87 and 262,374.48 is: 362,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,230.76 : 658,578.87 = 262,374.48 : x
  2. Step 2: Convert to fraction form
    477,230.76/658,578.87 = 262,374.48/x
  3. Step 3: Cross multiply
    477,230.76x = 658,578.87 × 262,374.48
  4. Step 4: Simplify right side
    477,230.76x = 172,794,288,555.24
  5. Step 5: Solve for x
    x = 172,794,288,555.24/477,230.76
  6. Step 6: Final answer
    x = 362,077.01

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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.