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Finding the Fourth Proportional to 466,409.79, 643,637.97 and 262,460.60

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Solution

The fourth proportional to 466,409.79, 643,637.97 and 262,460.60 is: 362,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,409.79 : 643,637.97 = 262,460.60 : x
  2. Step 2: Convert to fraction form
    466,409.79/643,637.97 = 262,460.60/x
  3. Step 3: Cross multiply
    466,409.79x = 643,637.97 × 262,460.60
  4. Step 4: Simplify right side
    466,409.79x = 168,929,604,570.79
  5. Step 5: Solve for x
    x = 168,929,604,570.79/466,409.79
  6. Step 6: Final answer
    x = 362,191.38

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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.