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Finding the Fourth Proportional to 567,706.76, 783,399.56 and 325,819.08

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Solution

The fourth proportional to 567,706.76, 783,399.56 and 325,819.08 is: 449,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,706.76 : 783,399.56 = 325,819.08 : x
  2. Step 2: Convert to fraction form
    567,706.76/783,399.56 = 325,819.08/x
  3. Step 3: Cross multiply
    567,706.76x = 783,399.56 × 325,819.08
  4. Step 4: Simplify right side
    567,706.76x = 255,246,522,282.51
  5. Step 5: Solve for x
    x = 255,246,522,282.51/567,706.76
  6. Step 6: Final answer
    x = 449,609.80

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1.5x scale

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.