Home / 856,934.76-1,182,640.74-475,081.32

Finding the Fourth Proportional to 856,934.76, 1,182,640.74 and 475,081.32

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Solution

The fourth proportional to 856,934.76, 1,182,640.74 and 475,081.32 is: 655,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,934.76 : 1,182,640.74 = 475,081.32 : x
  2. Step 2: Convert to fraction form
    856,934.76/1,182,640.74 = 475,081.32/x
  3. Step 3: Cross multiply
    856,934.76x = 1,182,640.74 × 475,081.32
  4. Step 4: Simplify right side
    856,934.76x = 561,850,523,844.98
  5. Step 5: Solve for x
    x = 561,850,523,844.98/856,934.76
  6. Step 6: Final answer
    x = 655,651.46

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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.