Home / 476,449-657,312.09-272,390.29

Finding the Fourth Proportional to 476,449, 657,312.09 and 272,390.29

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Solution

The fourth proportional to 476,449, 657,312.09 and 272,390.29 is: 375,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,449 : 657,312.09 = 272,390.29 : x
  2. Step 2: Convert to fraction form
    476,449/657,312.09 = 272,390.29/x
  3. Step 3: Cross multiply
    476,449x = 657,312.09 × 272,390.29
  4. Step 4: Simplify right side
    476,449x = 179,045,430,815.61
  5. Step 5: Solve for x
    x = 179,045,430,815.61/476,449
  6. Step 6: Final answer
    x = 375,791.39

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1.5x scale

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.