Home / 676,733.28-933,879.66-401,276.50

Finding the Fourth Proportional to 676,733.28, 933,879.66 and 401,276.50

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Solution

The fourth proportional to 676,733.28, 933,879.66 and 401,276.50 is: 553,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,733.28 : 933,879.66 = 401,276.50 : x
  2. Step 2: Convert to fraction form
    676,733.28/933,879.66 = 401,276.50/x
  3. Step 3: Cross multiply
    676,733.28x = 933,879.66 × 401,276.50
  4. Step 4: Simplify right side
    676,733.28x = 374,743,961,385.99
  5. Step 5: Solve for x
    x = 374,743,961,385.99/676,733.28
  6. Step 6: Final answer
    x = 553,754.30

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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.