Home / 680,705.26-1,021,210.17-207,427.66

Finding the Fourth Proportional to 680,705.26, 1,021,210.17 and 207,427.66

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Solution

The fourth proportional to 680,705.26, 1,021,210.17 and 207,427.66 is: 311,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,705.26 : 1,021,210.17 = 207,427.66 : x
  2. Step 2: Convert to fraction form
    680,705.26/1,021,210.17 = 207,427.66/x
  3. Step 3: Cross multiply
    680,705.26x = 1,021,210.17 × 207,427.66
  4. Step 4: Simplify right side
    680,705.26x = 211,827,235,931.30
  5. Step 5: Solve for x
    x = 211,827,235,931.30/680,705.26
  6. Step 6: Final answer
    x = 311,187.89

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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.