Home / 476,287.39-657,285.08-261,447.43

Finding the Fourth Proportional to 476,287.39, 657,285.08 and 261,447.43

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Solution

The fourth proportional to 476,287.39, 657,285.08 and 261,447.43 is: 360,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,287.39 : 657,285.08 = 261,447.43 : x
  2. Step 2: Convert to fraction form
    476,287.39/657,285.08 = 261,447.43/x
  3. Step 3: Cross multiply
    476,287.39x = 657,285.08 × 261,447.43
  4. Step 4: Simplify right side
    476,287.39x = 171,845,494,943.34
  5. Step 5: Solve for x
    x = 171,845,494,943.34/476,287.39
  6. Step 6: Final answer
    x = 360,802.11

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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.