Home / 856,209.98-1,284,785.16-496,820.27

Finding the Fourth Proportional to 856,209.98, 1,284,785.16 and 496,820.27

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Solution

The fourth proportional to 856,209.98, 1,284,785.16 and 496,820.27 is: 745,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,209.98 : 1,284,785.16 = 496,820.27 : x
  2. Step 2: Convert to fraction form
    856,209.98/1,284,785.16 = 496,820.27/x
  3. Step 3: Cross multiply
    856,209.98x = 1,284,785.16 × 496,820.27
  4. Step 4: Simplify right side
    856,209.98x = 638,307,303,659.27
  5. Step 5: Solve for x
    x = 638,307,303,659.27/856,209.98
  6. Step 6: Final answer
    x = 745,503.23

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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.