Home / 902,470.72-1,245,275.04-558,652.48

Finding the Fourth Proportional to 902,470.72, 1,245,275.04 and 558,652.48

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Solution

The fourth proportional to 902,470.72, 1,245,275.04 and 558,652.48 is: 770,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,470.72 : 1,245,275.04 = 558,652.48 : x
  2. Step 2: Convert to fraction form
    902,470.72/1,245,275.04 = 558,652.48/x
  3. Step 3: Cross multiply
    902,470.72x = 1,245,275.04 × 558,652.48
  4. Step 4: Simplify right side
    902,470.72x = 695,675,989,378.10
  5. Step 5: Solve for x
    x = 695,675,989,378.10/902,470.72
  6. Step 6: Final answer
    x = 770,857.13

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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.