Home / 680,788.54-1,020,709.92-301,502.59

Finding the Fourth Proportional to 680,788.54, 1,020,709.92 and 301,502.59

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Solution

The fourth proportional to 680,788.54, 1,020,709.92 and 301,502.59 is: 452,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,788.54 : 1,020,709.92 = 301,502.59 : x
  2. Step 2: Convert to fraction form
    680,788.54/1,020,709.92 = 301,502.59/x
  3. Step 3: Cross multiply
    680,788.54x = 1,020,709.92 × 301,502.59
  4. Step 4: Simplify right side
    680,788.54x = 307,746,684,518.69
  5. Step 5: Solve for x
    x = 307,746,684,518.69/680,788.54
  6. Step 6: Final answer
    x = 452,044.45

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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.