Home / 947,503.72-1,307,516.34-517,798.36

Finding the Fourth Proportional to 947,503.72, 1,307,516.34 and 517,798.36

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Solution

The fourth proportional to 947,503.72, 1,307,516.34 and 517,798.36 is: 714,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,503.72 : 1,307,516.34 = 517,798.36 : x
  2. Step 2: Convert to fraction form
    947,503.72/1,307,516.34 = 517,798.36/x
  3. Step 3: Cross multiply
    947,503.72x = 1,307,516.34 × 517,798.36
  4. Step 4: Simplify right side
    947,503.72x = 677,029,816,525.20
  5. Step 5: Solve for x
    x = 677,029,816,525.20/947,503.72
  6. Step 6: Final answer
    x = 714,540.54

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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.