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Finding the Fourth Proportional to 612,680.22, 845,522.01 and 340,767.77

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Solution

The fourth proportional to 612,680.22, 845,522.01 and 340,767.77 is: 470,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,680.22 : 845,522.01 = 340,767.77 : x
  2. Step 2: Convert to fraction form
    612,680.22/845,522.01 = 340,767.77/x
  3. Step 3: Cross multiply
    612,680.22x = 845,522.01 × 340,767.77
  4. Step 4: Simplify right side
    612,680.22x = 288,126,645,606.01
  5. Step 5: Solve for x
    x = 288,126,645,606.01/612,680.22
  6. Step 6: Final answer
    x = 470,272.48

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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.