Home / 477,431.28-658,839.87-262,570.68

Finding the Fourth Proportional to 477,431.28, 658,839.87 and 262,570.68

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Solution

The fourth proportional to 477,431.28, 658,839.87 and 262,570.68 is: 362,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,431.28 : 658,839.87 = 262,570.68 : x
  2. Step 2: Convert to fraction form
    477,431.28/658,839.87 = 262,570.68/x
  3. Step 3: Cross multiply
    477,431.28x = 658,839.87 × 262,570.68
  4. Step 4: Simplify right side
    477,431.28x = 172,992,032,677.01
  5. Step 5: Solve for x
    x = 172,992,032,677.01/477,431.28
  6. Step 6: Final answer
    x = 362,339.13

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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.