Home / 631,011.24-870,792.12-344,531.52

Finding the Fourth Proportional to 631,011.24, 870,792.12 and 344,531.52

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Solution

The fourth proportional to 631,011.24, 870,792.12 and 344,531.52 is: 475,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,011.24 : 870,792.12 = 344,531.52 : x
  2. Step 2: Convert to fraction form
    631,011.24/870,792.12 = 344,531.52/x
  3. Step 3: Cross multiply
    631,011.24x = 870,792.12 × 344,531.52
  4. Step 4: Simplify right side
    631,011.24x = 300,015,332,707.62
  5. Step 5: Solve for x
    x = 300,015,332,707.62/631,011.24
  6. Step 6: Final answer
    x = 475,451.65

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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.