Home / 718,587.27-1,077,696.99-213,030.02

Finding the Fourth Proportional to 718,587.27, 1,077,696.99 and 213,030.02

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Solution

The fourth proportional to 718,587.27, 1,077,696.99 and 213,030.02 is: 319,490.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,587.27 : 1,077,696.99 = 213,030.02 : x
  2. Step 2: Convert to fraction form
    718,587.27/1,077,696.99 = 213,030.02/x
  3. Step 3: Cross multiply
    718,587.27x = 1,077,696.99 × 213,030.02
  4. Step 4: Simplify right side
    718,587.27x = 229,581,814,027.88
  5. Step 5: Solve for x
    x = 229,581,814,027.88/718,587.27
  6. Step 6: Final answer
    x = 319,490.51

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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.