Home / 684,913.24-945,181.40-379,002.50

Finding the Fourth Proportional to 684,913.24, 945,181.40 and 379,002.50

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Solution

The fourth proportional to 684,913.24, 945,181.40 and 379,002.50 is: 523,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,913.24 : 945,181.40 = 379,002.50 : x
  2. Step 2: Convert to fraction form
    684,913.24/945,181.40 = 379,002.50/x
  3. Step 3: Cross multiply
    684,913.24x = 945,181.40 × 379,002.50
  4. Step 4: Simplify right side
    684,913.24x = 358,226,113,553.50
  5. Step 5: Solve for x
    x = 358,226,113,553.50/684,913.24
  6. Step 6: Final answer
    x = 523,024.07

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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.