Home / 856,120.52-1,181,345.04-493,663.46

Finding the Fourth Proportional to 856,120.52, 1,181,345.04 and 493,663.46

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Solution

The fourth proportional to 856,120.52, 1,181,345.04 and 493,663.46 is: 681,197.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,120.52 : 1,181,345.04 = 493,663.46 : x
  2. Step 2: Convert to fraction form
    856,120.52/1,181,345.04 = 493,663.46/x
  3. Step 3: Cross multiply
    856,120.52x = 1,181,345.04 × 493,663.46
  4. Step 4: Simplify right side
    856,120.52x = 583,186,879,900.24
  5. Step 5: Solve for x
    x = 583,186,879,900.24/856,120.52
  6. Step 6: Final answer
    x = 681,197.18

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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.