Home / 846,712.09-1,270,289.48-491,384.53

Finding the Fourth Proportional to 846,712.09, 1,270,289.48 and 491,384.53

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Solution

The fourth proportional to 846,712.09, 1,270,289.48 and 491,384.53 is: 737,205.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,712.09 : 1,270,289.48 = 491,384.53 : x
  2. Step 2: Convert to fraction form
    846,712.09/1,270,289.48 = 491,384.53/x
  3. Step 3: Cross multiply
    846,712.09x = 1,270,289.48 × 491,384.53
  4. Step 4: Simplify right side
    846,712.09x = 624,200,596,636.82
  5. Step 5: Solve for x
    x = 624,200,596,636.82/846,712.09
  6. Step 6: Final answer
    x = 737,205.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.