Home / 947,784.48-1,307,942.60-518,066.28

Finding the Fourth Proportional to 947,784.48, 1,307,942.60 and 518,066.28

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Solution

The fourth proportional to 947,784.48, 1,307,942.60 and 518,066.28 is: 714,931.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,784.48 : 1,307,942.60 = 518,066.28 : x
  2. Step 2: Convert to fraction form
    947,784.48/1,307,942.60 = 518,066.28/x
  3. Step 3: Cross multiply
    947,784.48x = 1,307,942.60 × 518,066.28
  4. Step 4: Simplify right side
    947,784.48x = 677,600,957,235.53
  5. Step 5: Solve for x
    x = 677,600,957,235.53/947,784.48
  6. Step 6: Final answer
    x = 714,931.48

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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.