Home / 683,972.66-1,026,069.26-210,657.87

Finding the Fourth Proportional to 683,972.66, 1,026,069.26 and 210,657.87

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Solution

The fourth proportional to 683,972.66, 1,026,069.26 and 210,657.87 is: 316,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,972.66 : 1,026,069.26 = 210,657.87 : x
  2. Step 2: Convert to fraction form
    683,972.66/1,026,069.26 = 210,657.87/x
  3. Step 3: Cross multiply
    683,972.66x = 1,026,069.26 × 210,657.87
  4. Step 4: Simplify right side
    683,972.66x = 216,149,563,730.79
  5. Step 5: Solve for x
    x = 216,149,563,730.79/683,972.66
  6. Step 6: Final answer
    x = 316,020.76

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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.