Home / 499,277.58-688,834.80-284,265.54

Finding the Fourth Proportional to 499,277.58, 688,834.80 and 284,265.54

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Solution

The fourth proportional to 499,277.58, 688,834.80 and 284,265.54 is: 392,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,277.58 : 688,834.80 = 284,265.54 : x
  2. Step 2: Convert to fraction form
    499,277.58/688,834.80 = 284,265.54/x
  3. Step 3: Cross multiply
    499,277.58x = 688,834.80 × 284,265.54
  4. Step 4: Simplify right side
    499,277.58x = 195,811,996,392.79
  5. Step 5: Solve for x
    x = 195,811,996,392.79/499,277.58
  6. Step 6: Final answer
    x = 392,190.65

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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.