Home / 476,290.12-657,288.86-261,450.18

Finding the Fourth Proportional to 476,290.12, 657,288.86 and 261,450.18

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Solution

The fourth proportional to 476,290.12, 657,288.86 and 261,450.18 is: 360,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,290.12 : 657,288.86 = 261,450.18 : x
  2. Step 2: Convert to fraction form
    476,290.12/657,288.86 = 261,450.18/x
  3. Step 3: Cross multiply
    476,290.12x = 657,288.86 × 261,450.18
  4. Step 4: Simplify right side
    476,290.12x = 171,848,290,759.00
  5. Step 5: Solve for x
    x = 171,848,290,759.00/476,290.12
  6. Step 6: Final answer
    x = 360,805.91

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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.