Home / 947,275.81-1,419,956.10-407,883.85

Finding the Fourth Proportional to 947,275.81, 1,419,956.10 and 407,883.85

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Solution

The fourth proportional to 947,275.81, 1,419,956.10 and 407,883.85 is: 611,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,275.81 : 1,419,956.10 = 407,883.85 : x
  2. Step 2: Convert to fraction form
    947,275.81/1,419,956.10 = 407,883.85/x
  3. Step 3: Cross multiply
    947,275.81x = 1,419,956.10 × 407,883.85
  4. Step 4: Simplify right side
    947,275.81x = 579,177,160,898.99
  5. Step 5: Solve for x
    x = 579,177,160,898.99/947,275.81
  6. Step 6: Final answer
    x = 611,413.44

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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.