Home / 690,384.06-1,035,717.30-291,024.90

Finding the Fourth Proportional to 690,384.06, 1,035,717.30 and 291,024.90

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Solution

The fourth proportional to 690,384.06, 1,035,717.30 and 291,024.90 is: 436,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,384.06 : 1,035,717.30 = 291,024.90 : x
  2. Step 2: Convert to fraction form
    690,384.06/1,035,717.30 = 291,024.90/x
  3. Step 3: Cross multiply
    690,384.06x = 1,035,717.30 × 291,024.90
  4. Step 4: Simplify right side
    690,384.06x = 301,419,523,660.77
  5. Step 5: Solve for x
    x = 301,419,523,660.77/690,384.06
  6. Step 6: Final answer
    x = 436,596.88

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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.