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Finding the Fourth Proportional to 562,100.32, 775,951.74 and 358,425.01

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Solution

The fourth proportional to 562,100.32, 775,951.74 and 358,425.01 is: 494,788.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,100.32 : 775,951.74 = 358,425.01 : x
  2. Step 2: Convert to fraction form
    562,100.32/775,951.74 = 358,425.01/x
  3. Step 3: Cross multiply
    562,100.32x = 775,951.74 × 358,425.01
  4. Step 4: Simplify right side
    562,100.32x = 278,120,508,229.14
  5. Step 5: Solve for x
    x = 278,120,508,229.14/562,100.32
  6. Step 6: Final answer
    x = 494,788.03

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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.