Home / 684,867.30-945,336.33-480,967.62

Finding the Fourth Proportional to 684,867.30, 945,336.33 and 480,967.62

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Solution

The fourth proportional to 684,867.30, 945,336.33 and 480,967.62 is: 663,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,867.30 : 945,336.33 = 480,967.62 : x
  2. Step 2: Convert to fraction form
    684,867.30/945,336.33 = 480,967.62/x
  3. Step 3: Cross multiply
    684,867.30x = 945,336.33 × 480,967.62
  4. Step 4: Simplify right side
    684,867.30x = 454,676,164,739.64
  5. Step 5: Solve for x
    x = 454,676,164,739.64/684,867.30
  6. Step 6: Final answer
    x = 663,889.43

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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.