Home / 779,976.74-1,170,036.51-219,007.46

Finding the Fourth Proportional to 779,976.74, 1,170,036.51 and 219,007.46

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Solution

The fourth proportional to 779,976.74, 1,170,036.51 and 219,007.46 is: 328,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,976.74 : 1,170,036.51 = 219,007.46 : x
  2. Step 2: Convert to fraction form
    779,976.74/1,170,036.51 = 219,007.46/x
  3. Step 3: Cross multiply
    779,976.74x = 1,170,036.51 × 219,007.46
  4. Step 4: Simplify right side
    779,976.74x = 256,246,724,162.37
  5. Step 5: Solve for x
    x = 256,246,724,162.37/779,976.74
  6. Step 6: Final answer
    x = 328,531.24

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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.