Home / 784,663.40-1,177,148.70-335,383.40

Finding the Fourth Proportional to 784,663.40, 1,177,148.70 and 335,383.40

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Solution

The fourth proportional to 784,663.40, 1,177,148.70 and 335,383.40 is: 503,140.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,663.40 : 1,177,148.70 = 335,383.40 : x
  2. Step 2: Convert to fraction form
    784,663.40/1,177,148.70 = 335,383.40/x
  3. Step 3: Cross multiply
    784,663.40x = 1,177,148.70 × 335,383.40
  4. Step 4: Simplify right side
    784,663.40x = 394,796,133,311.58
  5. Step 5: Solve for x
    x = 394,796,133,311.58/784,663.40
  6. Step 6: Final answer
    x = 503,140.75

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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.