Home / 680,587.56-1,021,029.18-207,260.76

Finding the Fourth Proportional to 680,587.56, 1,021,029.18 and 207,260.76

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Solution

The fourth proportional to 680,587.56, 1,021,029.18 and 207,260.76 is: 310,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,587.56 : 1,021,029.18 = 207,260.76 : x
  2. Step 2: Convert to fraction form
    680,587.56/1,021,029.18 = 207,260.76/x
  3. Step 3: Cross multiply
    680,587.56x = 1,021,029.18 × 207,260.76
  4. Step 4: Simplify right side
    680,587.56x = 211,619,283,828.98
  5. Step 5: Solve for x
    x = 211,619,283,828.98/680,587.56
  6. Step 6: Final answer
    x = 310,936.16

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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.