Home / 631,050.72-870,845.44-344,570.56

Finding the Fourth Proportional to 631,050.72, 870,845.44 and 344,570.56

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Solution

The fourth proportional to 631,050.72, 870,845.44 and 344,570.56 is: 475,504.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,050.72 : 870,845.44 = 344,570.56 : x
  2. Step 2: Convert to fraction form
    631,050.72/870,845.44 = 344,570.56/x
  3. Step 3: Cross multiply
    631,050.72x = 870,845.44 × 344,570.56
  4. Step 4: Simplify right side
    631,050.72x = 300,067,700,934.25
  5. Step 5: Solve for x
    x = 300,067,700,934.25/631,050.72
  6. Step 6: Final answer
    x = 475,504.89

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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.