Home / 534,971.65-802,271.38-215,028.54

Finding the Fourth Proportional to 534,971.65, 802,271.38 and 215,028.54

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Solution

The fourth proportional to 534,971.65, 802,271.38 and 215,028.54 is: 322,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,971.65 : 802,271.38 = 215,028.54 : x
  2. Step 2: Convert to fraction form
    534,971.65/802,271.38 = 215,028.54/x
  3. Step 3: Cross multiply
    534,971.65x = 802,271.38 × 215,028.54
  4. Step 4: Simplify right side
    534,971.65x = 172,511,243,525.19
  5. Step 5: Solve for x
    x = 172,511,243,525.19/534,971.65
  6. Step 6: Final answer
    x = 322,468.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.