Home / 684,981.74-945,251.52-379,071.02

Finding the Fourth Proportional to 684,981.74, 945,251.52 and 379,071.02

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Solution

The fourth proportional to 684,981.74, 945,251.52 and 379,071.02 is: 523,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,981.74 : 945,251.52 = 379,071.02 : x
  2. Step 2: Convert to fraction form
    684,981.74/945,251.52 = 379,071.02/x
  3. Step 3: Cross multiply
    684,981.74x = 945,251.52 × 379,071.02
  4. Step 4: Simplify right side
    684,981.74x = 358,317,453,116.69
  5. Step 5: Solve for x
    x = 358,317,453,116.69/684,981.74
  6. Step 6: Final answer
    x = 523,105.12

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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.