Home / 476,848.30-657,776.89-297,689.26

Finding the Fourth Proportional to 476,848.30, 657,776.89 and 297,689.26

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Solution

The fourth proportional to 476,848.30, 657,776.89 and 297,689.26 is: 410,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,848.30 : 657,776.89 = 297,689.26 : x
  2. Step 2: Convert to fraction form
    476,848.30/657,776.89 = 297,689.26/x
  3. Step 3: Cross multiply
    476,848.30x = 657,776.89 × 297,689.26
  4. Step 4: Simplify right side
    476,848.30x = 195,813,115,629.20
  5. Step 5: Solve for x
    x = 195,813,115,629.20/476,848.30
  6. Step 6: Final answer
    x = 410,640.27

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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.