Home / 856,869.57-1,182,434.49-494,271.86

Finding the Fourth Proportional to 856,869.57, 1,182,434.49 and 494,271.86

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Solution

The fourth proportional to 856,869.57, 1,182,434.49 and 494,271.86 is: 682,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,869.57 : 1,182,434.49 = 494,271.86 : x
  2. Step 2: Convert to fraction form
    856,869.57/1,182,434.49 = 494,271.86/x
  3. Step 3: Cross multiply
    856,869.57x = 1,182,434.49 × 494,271.86
  4. Step 4: Simplify right side
    856,869.57x = 584,444,088,788.28
  5. Step 5: Solve for x
    x = 584,444,088,788.28/856,869.57
  6. Step 6: Final answer
    x = 682,068.90

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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.