Home / 684,475.96-1,026,830.70-211,073.08

Finding the Fourth Proportional to 684,475.96, 1,026,830.70 and 211,073.08

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Solution

The fourth proportional to 684,475.96, 1,026,830.70 and 211,073.08 is: 316,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,475.96 : 1,026,830.70 = 211,073.08 : x
  2. Step 2: Convert to fraction form
    684,475.96/1,026,830.70 = 211,073.08/x
  3. Step 3: Cross multiply
    684,475.96x = 1,026,830.70 × 211,073.08
  4. Step 4: Simplify right side
    684,475.96x = 216,736,318,487.56
  5. Step 5: Solve for x
    x = 216,736,318,487.56/684,475.96
  6. Step 6: Final answer
    x = 316,645.63

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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.