Home / 850,887.91-1,275,559.39-424,554.13

Finding the Fourth Proportional to 850,887.91, 1,275,559.39 and 424,554.13

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Solution

The fourth proportional to 850,887.91, 1,275,559.39 and 424,554.13 is: 636,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,887.91 : 1,275,559.39 = 424,554.13 : x
  2. Step 2: Convert to fraction form
    850,887.91/1,275,559.39 = 424,554.13/x
  3. Step 3: Cross multiply
    850,887.91x = 1,275,559.39 × 424,554.13
  4. Step 4: Simplify right side
    850,887.91x = 541,544,007,084.78
  5. Step 5: Solve for x
    x = 541,544,007,084.78/850,887.91
  6. Step 6: Final answer
    x = 636,445.77

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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.