Home / 631,016.46-870,838.02-344,563.20

Finding the Fourth Proportional to 631,016.46, 870,838.02 and 344,563.20

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Solution

The fourth proportional to 631,016.46, 870,838.02 and 344,563.20 is: 475,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,016.46 : 870,838.02 = 344,563.20 : x
  2. Step 2: Convert to fraction form
    631,016.46/870,838.02 = 344,563.20/x
  3. Step 3: Cross multiply
    631,016.46x = 870,838.02 × 344,563.20
  4. Step 4: Simplify right side
    631,016.46x = 300,058,734,852.86
  5. Step 5: Solve for x
    x = 300,058,734,852.86/631,016.46
  6. Step 6: Final answer
    x = 475,516.49

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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.