Home / 476,312.65-657,311.79-258,521.33

Finding the Fourth Proportional to 476,312.65, 657,311.79 and 258,521.33

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Solution

The fourth proportional to 476,312.65, 657,311.79 and 258,521.33 is: 356,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,312.65 : 657,311.79 = 258,521.33 : x
  2. Step 2: Convert to fraction form
    476,312.65/657,311.79 = 258,521.33/x
  3. Step 3: Cross multiply
    476,312.65x = 657,311.79 × 258,521.33
  4. Step 4: Simplify right side
    476,312.65x = 169,929,118,175.48
  5. Step 5: Solve for x
    x = 169,929,118,175.48/476,312.65
  6. Step 6: Final answer
    x = 356,759.62

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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.