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Finding the Fourth Proportional to 650,495.77, 975,182.31 and 313,072.18

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Solution

The fourth proportional to 650,495.77, 975,182.31 and 313,072.18 is: 469,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,495.77 : 975,182.31 = 313,072.18 : x
  2. Step 2: Convert to fraction form
    650,495.77/975,182.31 = 313,072.18/x
  3. Step 3: Cross multiply
    650,495.77x = 975,182.31 × 313,072.18
  4. Step 4: Simplify right side
    650,495.77x = 305,302,449,251.18
  5. Step 5: Solve for x
    x = 305,302,449,251.18/650,495.77
  6. Step 6: Final answer
    x = 469,338.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.