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Finding the Fourth Proportional to 881,586.64, 1,322,394.54 and 382,950.64

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Solution

The fourth proportional to 881,586.64, 1,322,394.54 and 382,950.64 is: 574,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,586.64 : 1,322,394.54 = 382,950.64 : x
  2. Step 2: Convert to fraction form
    881,586.64/1,322,394.54 = 382,950.64/x
  3. Step 3: Cross multiply
    881,586.64x = 1,322,394.54 × 382,950.64
  4. Step 4: Simplify right side
    881,586.64x = 506,411,835,425.51
  5. Step 5: Solve for x
    x = 506,411,835,425.51/881,586.64
  6. Step 6: Final answer
    x = 574,432.29

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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.