Home / 947,729.54-1,307,863.59-518,009.42

Finding the Fourth Proportional to 947,729.54, 1,307,863.59 and 518,009.42

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Solution

The fourth proportional to 947,729.54, 1,307,863.59 and 518,009.42 is: 714,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,729.54 : 1,307,863.59 = 518,009.42 : x
  2. Step 2: Convert to fraction form
    947,729.54/1,307,863.59 = 518,009.42/x
  3. Step 3: Cross multiply
    947,729.54x = 1,307,863.59 × 518,009.42
  4. Step 4: Simplify right side
    947,729.54x = 677,485,659,695.02
  5. Step 5: Solve for x
    x = 677,485,659,695.02/947,729.54
  6. Step 6: Final answer
    x = 714,851.26

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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.