Home / 817,765.65-1,226,578.21-497,834.49

Finding the Fourth Proportional to 817,765.65, 1,226,578.21 and 497,834.49

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Solution

The fourth proportional to 817,765.65, 1,226,578.21 and 497,834.49 is: 746,708.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,765.65 : 1,226,578.21 = 497,834.49 : x
  2. Step 2: Convert to fraction form
    817,765.65/1,226,578.21 = 497,834.49/x
  3. Step 3: Cross multiply
    817,765.65x = 1,226,578.21 × 497,834.49
  4. Step 4: Simplify right side
    817,765.65x = 610,632,937,620.46
  5. Step 5: Solve for x
    x = 610,632,937,620.46/817,765.65
  6. Step 6: Final answer
    x = 746,708.96

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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.