Home / 852,879.71-1,279,314.40-213,180.24

Finding the Fourth Proportional to 852,879.71, 1,279,314.40 and 213,180.24

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Solution

The fourth proportional to 852,879.71, 1,279,314.40 and 213,180.24 is: 319,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,879.71 : 1,279,314.40 = 213,180.24 : x
  2. Step 2: Convert to fraction form
    852,879.71/1,279,314.40 = 213,180.24/x
  3. Step 3: Cross multiply
    852,879.71x = 1,279,314.40 × 213,180.24
  4. Step 4: Simplify right side
    852,879.71x = 272,724,550,827.46
  5. Step 5: Solve for x
    x = 272,724,550,827.46/852,879.71
  6. Step 6: Final answer
    x = 319,769.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.