Home / 631,022.04-870,803.82-344,541.24

Finding the Fourth Proportional to 631,022.04, 870,803.82 and 344,541.24

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Solution

The fourth proportional to 631,022.04, 870,803.82 and 344,541.24 is: 475,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,022.04 : 870,803.82 = 344,541.24 : x
  2. Step 2: Convert to fraction form
    631,022.04/870,803.82 = 344,541.24/x
  3. Step 3: Cross multiply
    631,022.04x = 870,803.82 × 344,541.24
  4. Step 4: Simplify right side
    631,022.04x = 300,027,827,939.54
  5. Step 5: Solve for x
    x = 300,027,827,939.54/631,022.04
  6. Step 6: Final answer
    x = 475,463.31

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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.