Home / 917,433.60-1,265,836.80-535,242.24

Finding the Fourth Proportional to 917,433.60, 1,265,836.80 and 535,242.24

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Solution

The fourth proportional to 917,433.60, 1,265,836.80 and 535,242.24 is: 738,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,433.60 : 1,265,836.80 = 535,242.24 : x
  2. Step 2: Convert to fraction form
    917,433.60/1,265,836.80 = 535,242.24/x
  3. Step 3: Cross multiply
    917,433.60x = 1,265,836.80 × 535,242.24
  4. Step 4: Simplify right side
    917,433.60x = 677,529,324,306.43
  5. Step 5: Solve for x
    x = 677,529,324,306.43/917,433.60
  6. Step 6: Final answer
    x = 738,505.03

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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.