Home / 684,580.60-1,025,996.10-328,828.60

Finding the Fourth Proportional to 684,580.60, 1,025,996.10 and 328,828.60

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Solution

The fourth proportional to 684,580.60, 1,025,996.10 and 328,828.60 is: 492,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,580.60 : 1,025,996.10 = 328,828.60 : x
  2. Step 2: Convert to fraction form
    684,580.60/1,025,996.10 = 328,828.60/x
  3. Step 3: Cross multiply
    684,580.60x = 1,025,996.10 × 328,828.60
  4. Step 4: Simplify right side
    684,580.60x = 337,376,861,168.46
  5. Step 5: Solve for x
    x = 337,376,861,168.46/684,580.60
  6. Step 6: Final answer
    x = 492,822.70

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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.