Home / 787,287.66-1,174,788.65-702,464.46

Finding the Fourth Proportional to 787,287.66, 1,174,788.65 and 702,464.46

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Solution

The fourth proportional to 787,287.66, 1,174,788.65 and 702,464.46 is: 1,048,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,287.66 : 1,174,788.65 = 702,464.46 : x
  2. Step 2: Convert to fraction form
    787,287.66/1,174,788.65 = 702,464.46/x
  3. Step 3: Cross multiply
    787,287.66x = 1,174,788.65 × 702,464.46
  4. Step 4: Simplify right side
    787,287.66x = 825,247,271,124.06
  5. Step 5: Solve for x
    x = 825,247,271,124.06/787,287.66
  6. Step 6: Final answer
    x = 1,048,215.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.