Home / 835,245.07-1,152,628.28-491,302.87

Finding the Fourth Proportional to 835,245.07, 1,152,628.28 and 491,302.87

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Solution

The fourth proportional to 835,245.07, 1,152,628.28 and 491,302.87 is: 677,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,245.07 : 1,152,628.28 = 491,302.87 : x
  2. Step 2: Convert to fraction form
    835,245.07/1,152,628.28 = 491,302.87/x
  3. Step 3: Cross multiply
    835,245.07x = 1,152,628.28 × 491,302.87
  4. Step 4: Simplify right side
    835,245.07x = 566,289,578,511.46
  5. Step 5: Solve for x
    x = 566,289,578,511.46/835,245.07
  6. Step 6: Final answer
    x = 677,992.13

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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.