Home / 476,453-657,317.61-272,394.29

Finding the Fourth Proportional to 476,453, 657,317.61 and 272,394.29

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Solution

The fourth proportional to 476,453, 657,317.61 and 272,394.29 is: 375,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,453 : 657,317.61 = 272,394.29 : x
  2. Step 2: Convert to fraction form
    476,453/657,317.61 = 272,394.29/x
  3. Step 3: Cross multiply
    476,453x = 657,317.61 × 272,394.29
  4. Step 4: Simplify right side
    476,453x = 179,049,563,680.45
  5. Step 5: Solve for x
    x = 179,049,563,680.45/476,453
  6. Step 6: Final answer
    x = 375,796.91

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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.