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Finding the Fourth Proportional to 601,938.92, 830,678.82 and 347,300.84

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Solution

The fourth proportional to 601,938.92, 830,678.82 and 347,300.84 is: 479,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,938.92 : 830,678.82 = 347,300.84 : x
  2. Step 2: Convert to fraction form
    601,938.92/830,678.82 = 347,300.84/x
  3. Step 3: Cross multiply
    601,938.92x = 830,678.82 × 347,300.84
  4. Step 4: Simplify right side
    601,938.92x = 288,495,451,956.21
  5. Step 5: Solve for x
    x = 288,495,451,956.21/601,938.92
  6. Step 6: Final answer
    x = 479,276.95

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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.