Home / 499,048.17-688,688.24-272,693.67

Finding the Fourth Proportional to 499,048.17, 688,688.24 and 272,693.67

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Solution

The fourth proportional to 499,048.17, 688,688.24 and 272,693.67 is: 376,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,048.17 : 688,688.24 = 272,693.67 : x
  2. Step 2: Convert to fraction form
    499,048.17/688,688.24 = 272,693.67/x
  3. Step 3: Cross multiply
    499,048.17x = 688,688.24 × 272,693.67
  4. Step 4: Simplify right side
    499,048.17x = 187,800,923,651.44
  5. Step 5: Solve for x
    x = 187,800,923,651.44/499,048.17
  6. Step 6: Final answer
    x = 376,318.23

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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.