Home / 616,817.94-851,443.66-402,010.26

Finding the Fourth Proportional to 616,817.94, 851,443.66 and 402,010.26

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Solution

The fourth proportional to 616,817.94, 851,443.66 and 402,010.26 is: 554,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,817.94 : 851,443.66 = 402,010.26 : x
  2. Step 2: Convert to fraction form
    616,817.94/851,443.66 = 402,010.26/x
  3. Step 3: Cross multiply
    616,817.94x = 851,443.66 × 402,010.26
  4. Step 4: Simplify right side
    616,817.94x = 342,289,087,131.95
  5. Step 5: Solve for x
    x = 342,289,087,131.95/616,817.94
  6. Step 6: Final answer
    x = 554,927.26

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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.