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Finding the Fourth Proportional to 476,499.75, 657,569.67 and 275,295.75

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Solution

The fourth proportional to 476,499.75, 657,569.67 and 275,295.75 is: 379,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,499.75 : 657,569.67 = 275,295.75 : x
  2. Step 2: Convert to fraction form
    476,499.75/657,569.67 = 275,295.75/x
  3. Step 3: Cross multiply
    476,499.75x = 657,569.67 × 275,295.75
  4. Step 4: Simplify right side
    476,499.75x = 181,026,135,479.90
  5. Step 5: Solve for x
    x = 181,026,135,479.90/476,499.75
  6. Step 6: Final answer
    x = 379,908.14

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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.