Home / 792,567.89-1,188,942.05-287,366.79

Finding the Fourth Proportional to 792,567.89, 1,188,942.05 and 287,366.79

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Solution

The fourth proportional to 792,567.89, 1,188,942.05 and 287,366.79 is: 431,082.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,567.89 : 1,188,942.05 = 287,366.79 : x
  2. Step 2: Convert to fraction form
    792,567.89/1,188,942.05 = 287,366.79/x
  3. Step 3: Cross multiply
    792,567.89x = 1,188,942.05 × 287,366.79
  4. Step 4: Simplify right side
    792,567.89x = 341,662,457,277.23
  5. Step 5: Solve for x
    x = 341,662,457,277.23/792,567.89
  6. Step 6: Final answer
    x = 431,082.89

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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.