Home / 727,321.32-1,003,187.24-617,668.56

Finding the Fourth Proportional to 727,321.32, 1,003,187.24 and 617,668.56

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Solution

The fourth proportional to 727,321.32, 1,003,187.24 and 617,668.56 is: 851,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,321.32 : 1,003,187.24 = 617,668.56 : x
  2. Step 2: Convert to fraction form
    727,321.32/1,003,187.24 = 617,668.56/x
  3. Step 3: Cross multiply
    727,321.32x = 1,003,187.24 × 617,668.56
  4. Step 4: Simplify right side
    727,321.32x = 619,637,209,836.90
  5. Step 5: Solve for x
    x = 619,637,209,836.90/727,321.32
  6. Step 6: Final answer
    x = 851,944.24

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1.5x scale

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.