Home / 964,785.30-1,331,485.38-535,203.78

Finding the Fourth Proportional to 964,785.30, 1,331,485.38 and 535,203.78

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Solution

The fourth proportional to 964,785.30, 1,331,485.38 and 535,203.78 is: 738,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,785.30 : 1,331,485.38 = 535,203.78 : x
  2. Step 2: Convert to fraction form
    964,785.30/1,331,485.38 = 535,203.78/x
  3. Step 3: Cross multiply
    964,785.30x = 1,331,485.38 × 535,203.78
  4. Step 4: Simplify right side
    964,785.30x = 712,616,008,390.74
  5. Step 5: Solve for x
    x = 712,616,008,390.74/964,785.30
  6. Step 6: Final answer
    x = 738,626.52

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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.