Home / 851,179.32-1,174,733.82-488,716.74

Finding the Fourth Proportional to 851,179.32, 1,174,733.82 and 488,716.74

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Solution

The fourth proportional to 851,179.32, 1,174,733.82 and 488,716.74 is: 674,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,179.32 : 1,174,733.82 = 488,716.74 : x
  2. Step 2: Convert to fraction form
    851,179.32/1,174,733.82 = 488,716.74/x
  3. Step 3: Cross multiply
    851,179.32x = 1,174,733.82 × 488,716.74
  4. Step 4: Simplify right side
    851,179.32x = 574,112,082,878.15
  5. Step 5: Solve for x
    x = 574,112,082,878.15/851,179.32
  6. Step 6: Final answer
    x = 674,490.17

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1.5x scale

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.