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Finding the Fourth Proportional to 566,674.04, 781,834.68 and 321,619.40

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Solution

The fourth proportional to 566,674.04, 781,834.68 and 321,619.40 is: 443,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,674.04 : 781,834.68 = 321,619.40 : x
  2. Step 2: Convert to fraction form
    566,674.04/781,834.68 = 321,619.40/x
  3. Step 3: Cross multiply
    566,674.04x = 781,834.68 × 321,619.40
  4. Step 4: Simplify right side
    566,674.04x = 251,453,200,680.79
  5. Step 5: Solve for x
    x = 251,453,200,680.79/566,674.04
  6. Step 6: Final answer
    x = 443,735.17

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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.