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Finding the Fourth Proportional to 477,506.88, 658,945.59 and 262,646.88

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Solution

The fourth proportional to 477,506.88, 658,945.59 and 262,646.88 is: 362,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,506.88 : 658,945.59 = 262,646.88 : x
  2. Step 2: Convert to fraction form
    477,506.88/658,945.59 = 262,646.88/x
  3. Step 3: Cross multiply
    477,506.88x = 658,945.59 × 262,646.88
  4. Step 4: Simplify right side
    477,506.88x = 173,070,003,303.26
  5. Step 5: Solve for x
    x = 173,070,003,303.26/477,506.88
  6. Step 6: Final answer
    x = 362,445.05

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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.