Home / 965,139.76-1,331,894.44-535,419.89

Finding the Fourth Proportional to 965,139.76, 1,331,894.44 and 535,419.89

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Solution

The fourth proportional to 965,139.76, 1,331,894.44 and 535,419.89 is: 738,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,139.76 : 1,331,894.44 = 535,419.89 : x
  2. Step 2: Convert to fraction form
    965,139.76/1,331,894.44 = 535,419.89/x
  3. Step 3: Cross multiply
    965,139.76x = 1,331,894.44 × 535,419.89
  4. Step 4: Simplify right side
    965,139.76x = 713,122,774,556.41
  5. Step 5: Solve for x
    x = 713,122,774,556.41/965,139.76
  6. Step 6: Final answer
    x = 738,880.32

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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.