Home / 856,395.48-1,284,191.06-496,668.61

Finding the Fourth Proportional to 856,395.48, 1,284,191.06 and 496,668.61

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Solution

The fourth proportional to 856,395.48, 1,284,191.06 and 496,668.61 is: 744,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,395.48 : 1,284,191.06 = 496,668.61 : x
  2. Step 2: Convert to fraction form
    856,395.48/1,284,191.06 = 496,668.61/x
  3. Step 3: Cross multiply
    856,395.48x = 1,284,191.06 × 496,668.61
  4. Step 4: Simplify right side
    856,395.48x = 637,817,390,660.28
  5. Step 5: Solve for x
    x = 637,817,390,660.28/856,395.48
  6. Step 6: Final answer
    x = 744,769.68

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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.