Home / 947,727.54-1,307,860.83-518,007.42

Finding the Fourth Proportional to 947,727.54, 1,307,860.83 and 518,007.42

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Solution

The fourth proportional to 947,727.54, 1,307,860.83 and 518,007.42 is: 714,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,727.54 : 1,307,860.83 = 518,007.42 : x
  2. Step 2: Convert to fraction form
    947,727.54/1,307,860.83 = 518,007.42/x
  3. Step 3: Cross multiply
    947,727.54x = 1,307,860.83 × 518,007.42
  4. Step 4: Simplify right side
    947,727.54x = 677,481,614,267.36
  5. Step 5: Solve for x
    x = 677,481,614,267.36/947,727.54
  6. Step 6: Final answer
    x = 714,848.50

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1.5x scale

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.