Home / 718,368-1,077,595.20-219,736.32

Finding the Fourth Proportional to 718,368, 1,077,595.20 and 219,736.32

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Solution

The fourth proportional to 718,368, 1,077,595.20 and 219,736.32 is: 329,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,368 : 1,077,595.20 = 219,736.32 : x
  2. Step 2: Convert to fraction form
    718,368/1,077,595.20 = 219,736.32/x
  3. Step 3: Cross multiply
    718,368x = 1,077,595.20 × 219,736.32
  4. Step 4: Simplify right side
    718,368x = 236,786,803,697.66
  5. Step 5: Solve for x
    x = 236,786,803,697.66/718,368
  6. Step 6: Final answer
    x = 329,617.69

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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.