Home / 718,406.01-1,077,619.55-213,018.39

Finding the Fourth Proportional to 718,406.01, 1,077,619.55 and 213,018.39

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Solution

The fourth proportional to 718,406.01, 1,077,619.55 and 213,018.39 is: 319,530.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,406.01 : 1,077,619.55 = 213,018.39 : x
  2. Step 2: Convert to fraction form
    718,406.01/1,077,619.55 = 213,018.39/x
  3. Step 3: Cross multiply
    718,406.01x = 1,077,619.55 × 213,018.39
  4. Step 4: Simplify right side
    718,406.01x = 229,552,780,508.43
  5. Step 5: Solve for x
    x = 229,552,780,508.43/718,406.01
  6. Step 6: Final answer
    x = 319,530.71

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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.