Home / 929,757.84-1,282,967.23-521,904.55

Finding the Fourth Proportional to 929,757.84, 1,282,967.23 and 521,904.55

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Solution

The fourth proportional to 929,757.84, 1,282,967.23 and 521,904.55 is: 720,172.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,757.84 : 1,282,967.23 = 521,904.55 : x
  2. Step 2: Convert to fraction form
    929,757.84/1,282,967.23 = 521,904.55/x
  3. Step 3: Cross multiply
    929,757.84x = 1,282,967.23 × 521,904.55
  4. Step 4: Simplify right side
    929,757.84x = 669,586,434,837.90
  5. Step 5: Solve for x
    x = 669,586,434,837.90/929,757.84
  6. Step 6: Final answer
    x = 720,172.94

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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.