Home / 476,811.30-657,839.10-270,051.51

Finding the Fourth Proportional to 476,811.30, 657,839.10 and 270,051.51

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Solution

The fourth proportional to 476,811.30, 657,839.10 and 270,051.51 is: 372,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,811.30 : 657,839.10 = 270,051.51 : x
  2. Step 2: Convert to fraction form
    476,811.30/657,839.10 = 270,051.51/x
  3. Step 3: Cross multiply
    476,811.30x = 657,839.10 × 270,051.51
  4. Step 4: Simplify right side
    476,811.30x = 177,650,442,292.04
  5. Step 5: Solve for x
    x = 177,650,442,292.04/476,811.30
  6. Step 6: Final answer
    x = 372,580.18

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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.