Home / 680,557.29-1,020,929.36-231,157.51

Finding the Fourth Proportional to 680,557.29, 1,020,929.36 and 231,157.51

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Solution

The fourth proportional to 680,557.29, 1,020,929.36 and 231,157.51 is: 346,768.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,557.29 : 1,020,929.36 = 231,157.51 : x
  2. Step 2: Convert to fraction form
    680,557.29/1,020,929.36 = 231,157.51/x
  3. Step 3: Cross multiply
    680,557.29x = 1,020,929.36 × 231,157.51
  4. Step 4: Simplify right side
    680,557.29x = 235,995,488,743.49
  5. Step 5: Solve for x
    x = 235,995,488,743.49/680,557.29
  6. Step 6: Final answer
    x = 346,768.00

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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.