Home / 917,269.60-1,375,904.40-492,116.80

Finding the Fourth Proportional to 917,269.60, 1,375,904.40 and 492,116.80

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Solution

The fourth proportional to 917,269.60, 1,375,904.40 and 492,116.80 is: 738,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,269.60 : 1,375,904.40 = 492,116.80 : x
  2. Step 2: Convert to fraction form
    917,269.60/1,375,904.40 = 492,116.80/x
  3. Step 3: Cross multiply
    917,269.60x = 1,375,904.40 × 492,116.80
  4. Step 4: Simplify right side
    917,269.60x = 677,105,670,433.92
  5. Step 5: Solve for x
    x = 677,105,670,433.92/917,269.60
  6. Step 6: Final answer
    x = 738,175.20

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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.