Home / 784,230.55-1,176,509.85-251,805.40

Finding the Fourth Proportional to 784,230.55, 1,176,509.85 and 251,805.40

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Solution

The fourth proportional to 784,230.55, 1,176,509.85 and 251,805.40 is: 377,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,230.55 : 1,176,509.85 = 251,805.40 : x
  2. Step 2: Convert to fraction form
    784,230.55/1,176,509.85 = 251,805.40/x
  3. Step 3: Cross multiply
    784,230.55x = 1,176,509.85 × 251,805.40
  4. Step 4: Simplify right side
    784,230.55x = 296,251,533,383.19
  5. Step 5: Solve for x
    x = 296,251,533,383.19/784,230.55
  6. Step 6: Final answer
    x = 377,760.77

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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.