Home / 779,980.24-1,170,041.76-219,010.96

Finding the Fourth Proportional to 779,980.24, 1,170,041.76 and 219,010.96

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Solution

The fourth proportional to 779,980.24, 1,170,041.76 and 219,010.96 is: 328,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,980.24 : 1,170,041.76 = 219,010.96 : x
  2. Step 2: Convert to fraction form
    779,980.24/1,170,041.76 = 219,010.96/x
  3. Step 3: Cross multiply
    779,980.24x = 1,170,041.76 × 219,010.96
  4. Step 4: Simplify right side
    779,980.24x = 256,251,969,097.69
  5. Step 5: Solve for x
    x = 256,251,969,097.69/779,980.24
  6. Step 6: Final answer
    x = 328,536.49

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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.