Home / 993,635.04-1,489,455.96-461,529.78

Finding the Fourth Proportional to 993,635.04, 1,489,455.96 and 461,529.78

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Solution

The fourth proportional to 993,635.04, 1,489,455.96 and 461,529.78 is: 691,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,635.04 : 1,489,455.96 = 461,529.78 : x
  2. Step 2: Convert to fraction form
    993,635.04/1,489,455.96 = 461,529.78/x
  3. Step 3: Cross multiply
    993,635.04x = 1,489,455.96 × 461,529.78
  4. Step 4: Simplify right side
    993,635.04x = 687,428,281,538.49
  5. Step 5: Solve for x
    x = 687,428,281,538.49/993,635.04
  6. Step 6: Final answer
    x = 691,831.76

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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.