Home / 947,286.02-1,307,239.26-517,556.90

Finding the Fourth Proportional to 947,286.02, 1,307,239.26 and 517,556.90

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Solution

The fourth proportional to 947,286.02, 1,307,239.26 and 517,556.90 is: 714,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,286.02 : 1,307,239.26 = 517,556.90 : x
  2. Step 2: Convert to fraction form
    947,286.02/1,307,239.26 = 517,556.90/x
  3. Step 3: Cross multiply
    947,286.02x = 1,307,239.26 × 517,556.90
  4. Step 4: Simplify right side
    947,286.02x = 676,570,698,963.89
  5. Step 5: Solve for x
    x = 676,570,698,963.89/947,286.02
  6. Step 6: Final answer
    x = 714,220.08

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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.