Home / 964,772.85-1,331,468.30-535,191.38

Finding the Fourth Proportional to 964,772.85, 1,331,468.30 and 535,191.38

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Solution

The fourth proportional to 964,772.85, 1,331,468.30 and 535,191.38 is: 738,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,772.85 : 1,331,468.30 = 535,191.38 : x
  2. Step 2: Convert to fraction form
    964,772.85/1,331,468.30 = 535,191.38/x
  3. Step 3: Cross multiply
    964,772.85x = 1,331,468.30 × 535,191.38
  4. Step 4: Simplify right side
    964,772.85x = 712,590,351,583.89
  5. Step 5: Solve for x
    x = 712,590,351,583.89/964,772.85
  6. Step 6: Final answer
    x = 738,609.46

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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.