Home / 902,797.20-1,245,992.76-520,749.36

Finding the Fourth Proportional to 902,797.20, 1,245,992.76 and 520,749.36

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Solution

The fourth proportional to 902,797.20, 1,245,992.76 and 520,749.36 is: 718,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,797.20 : 1,245,992.76 = 520,749.36 : x
  2. Step 2: Convert to fraction form
    902,797.20/1,245,992.76 = 520,749.36/x
  3. Step 3: Cross multiply
    902,797.20x = 1,245,992.76 × 520,749.36
  4. Step 4: Simplify right side
    902,797.20x = 648,849,932,334.63
  5. Step 5: Solve for x
    x = 648,849,932,334.63/902,797.20
  6. Step 6: Final answer
    x = 718,710.62

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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.