Home / 631,107.52-870,935.52-344,631.04

Finding the Fourth Proportional to 631,107.52, 870,935.52 and 344,631.04

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Solution

The fourth proportional to 631,107.52, 870,935.52 and 344,631.04 is: 475,594.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,107.52 : 870,935.52 = 344,631.04 : x
  2. Step 2: Convert to fraction form
    631,107.52/870,935.52 = 344,631.04/x
  3. Step 3: Cross multiply
    631,107.52x = 870,935.52 × 344,631.04
  4. Step 4: Simplify right side
    631,107.52x = 300,151,414,030.54
  5. Step 5: Solve for x
    x = 300,151,414,030.54/631,107.52
  6. Step 6: Final answer
    x = 475,594.74

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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.