Home / 631,024.46-870,849.06-344,571.20

Finding the Fourth Proportional to 631,024.46, 870,849.06 and 344,571.20

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Solution

The fourth proportional to 631,024.46, 870,849.06 and 344,571.20 is: 475,527.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,024.46 : 870,849.06 = 344,571.20 : x
  2. Step 2: Convert to fraction form
    631,024.46/870,849.06 = 344,571.20/x
  3. Step 3: Cross multiply
    631,024.46x = 870,849.06 × 344,571.20
  4. Step 4: Simplify right side
    631,024.46x = 300,069,505,623.07
  5. Step 5: Solve for x
    x = 300,069,505,623.07/631,024.46
  6. Step 6: Final answer
    x = 475,527.53

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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.