Home / 947,730.54-1,307,864.97-518,010.42

Finding the Fourth Proportional to 947,730.54, 1,307,864.97 and 518,010.42

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Solution

The fourth proportional to 947,730.54, 1,307,864.97 and 518,010.42 is: 714,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,730.54 : 1,307,864.97 = 518,010.42 : x
  2. Step 2: Convert to fraction form
    947,730.54/1,307,864.97 = 518,010.42/x
  3. Step 3: Cross multiply
    947,730.54x = 1,307,864.97 × 518,010.42
  4. Step 4: Simplify right side
    947,730.54x = 677,487,682,412.99
  5. Step 5: Solve for x
    x = 677,487,682,412.99/947,730.54
  6. Step 6: Final answer
    x = 714,852.64

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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.