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Finding the Fourth Proportional to 637,738, 880,078.44 and 369,621.52

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Solution

The fourth proportional to 637,738, 880,078.44 and 369,621.52 is: 510,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,738 : 880,078.44 = 369,621.52 : x
  2. Step 2: Convert to fraction form
    637,738/880,078.44 = 369,621.52/x
  3. Step 3: Cross multiply
    637,738x = 880,078.44 × 369,621.52
  4. Step 4: Simplify right side
    637,738x = 325,295,930,712.03
  5. Step 5: Solve for x
    x = 325,295,930,712.03/637,738
  6. Step 6: Final answer
    x = 510,077.70

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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.