Home / 767,702.73-1,059,087.20-445,225.94

Finding the Fourth Proportional to 767,702.73, 1,059,087.20 and 445,225.94

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Solution

The fourth proportional to 767,702.73, 1,059,087.20 and 445,225.94 is: 614,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,702.73 : 1,059,087.20 = 445,225.94 : x
  2. Step 2: Convert to fraction form
    767,702.73/1,059,087.20 = 445,225.94/x
  3. Step 3: Cross multiply
    767,702.73x = 1,059,087.20 × 445,225.94
  4. Step 4: Simplify right side
    767,702.73x = 471,533,086,640.40
  5. Step 5: Solve for x
    x = 471,533,086,640.40/767,702.73
  6. Step 6: Final answer
    x = 614,213.12

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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.