Home / 947,632.91-1,307,730.29-517,912.92

Finding the Fourth Proportional to 947,632.91, 1,307,730.29 and 517,912.92

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Solution

The fourth proportional to 947,632.91, 1,307,730.29 and 517,912.92 is: 714,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,632.91 : 1,307,730.29 = 517,912.92 : x
  2. Step 2: Convert to fraction form
    947,632.91/1,307,730.29 = 517,912.92/x
  3. Step 3: Cross multiply
    947,632.91x = 1,307,730.29 × 517,912.92
  4. Step 4: Simplify right side
    947,632.91x = 677,290,410,476.78
  5. Step 5: Solve for x
    x = 677,290,410,476.78/947,632.91
  6. Step 6: Final answer
    x = 714,718.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.