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Finding the Fourth Proportional to 463,946.60, 696,138.60 and 345,848.60

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Solution

The fourth proportional to 463,946.60, 696,138.60 and 345,848.60 is: 518,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,946.60 : 696,138.60 = 345,848.60 : x
  2. Step 2: Convert to fraction form
    463,946.60/696,138.60 = 345,848.60/x
  3. Step 3: Cross multiply
    463,946.60x = 696,138.60 × 345,848.60
  4. Step 4: Simplify right side
    463,946.60x = 240,758,560,215.96
  5. Step 5: Solve for x
    x = 240,758,560,215.96/463,946.60
  6. Step 6: Final answer
    x = 518,935.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.