Home / 902,579.88-1,245,684.60-520,598.28

Finding the Fourth Proportional to 902,579.88, 1,245,684.60 and 520,598.28

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Solution

The fourth proportional to 902,579.88, 1,245,684.60 and 520,598.28 is: 718,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,579.88 : 1,245,684.60 = 520,598.28 : x
  2. Step 2: Convert to fraction form
    902,579.88/1,245,684.60 = 520,598.28/x
  3. Step 3: Cross multiply
    902,579.88x = 1,245,684.60 × 520,598.28
  4. Step 4: Simplify right side
    902,579.88x = 648,501,260,182.49
  5. Step 5: Solve for x
    x = 648,501,260,182.49/902,579.88
  6. Step 6: Final answer
    x = 718,497.36

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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.