Home / 718,104.77-1,077,007.91-212,547.16

Finding the Fourth Proportional to 718,104.77, 1,077,007.91 and 212,547.16

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Solution

The fourth proportional to 718,104.77, 1,077,007.91 and 212,547.16 is: 318,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,104.77 : 1,077,007.91 = 212,547.16 : x
  2. Step 2: Convert to fraction form
    718,104.77/1,077,007.91 = 212,547.16/x
  3. Step 3: Cross multiply
    718,104.77x = 1,077,007.91 × 212,547.16
  4. Step 4: Simplify right side
    718,104.77x = 228,914,976,179.55
  5. Step 5: Solve for x
    x = 228,914,976,179.55/718,104.77
  6. Step 6: Final answer
    x = 318,776.57

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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.