Home / 947,796.95-1,307,959.70-518,078.79

Finding the Fourth Proportional to 947,796.95, 1,307,959.70 and 518,078.79

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Solution

The fourth proportional to 947,796.95, 1,307,959.70 and 518,078.79 is: 714,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,796.95 : 1,307,959.70 = 518,078.79 : x
  2. Step 2: Convert to fraction form
    947,796.95/1,307,959.70 = 518,078.79/x
  3. Step 3: Cross multiply
    947,796.95x = 1,307,959.70 × 518,078.79
  4. Step 4: Simplify right side
    947,796.95x = 677,626,176,154.37
  5. Step 5: Solve for x
    x = 677,626,176,154.37/947,796.95
  6. Step 6: Final answer
    x = 714,948.68

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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.