Home / 476,130.60-657,028.08-261,284.43

Finding the Fourth Proportional to 476,130.60, 657,028.08 and 261,284.43

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Solution

The fourth proportional to 476,130.60, 657,028.08 and 261,284.43 is: 360,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,130.60 : 657,028.08 = 261,284.43 : x
  2. Step 2: Convert to fraction form
    476,130.60/657,028.08 = 261,284.43/x
  3. Step 3: Cross multiply
    476,130.60x = 657,028.08 × 261,284.43
  4. Step 4: Simplify right side
    476,130.60x = 171,671,207,376.79
  5. Step 5: Solve for x
    x = 171,671,207,376.79/476,130.60
  6. Step 6: Final answer
    x = 360,554.87

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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.