Home / 718,030.72-1,077,042.72-212,594.76

Finding the Fourth Proportional to 718,030.72, 1,077,042.72 and 212,594.76

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Solution

The fourth proportional to 718,030.72, 1,077,042.72 and 212,594.76 is: 318,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,030.72 : 1,077,042.72 = 212,594.76 : x
  2. Step 2: Convert to fraction form
    718,030.72/1,077,042.72 = 212,594.76/x
  3. Step 3: Cross multiply
    718,030.72x = 1,077,042.72 × 212,594.76
  4. Step 4: Simplify right side
    718,030.72x = 228,973,638,568.15
  5. Step 5: Solve for x
    x = 228,973,638,568.15/718,030.72
  6. Step 6: Final answer
    x = 318,891.15

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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.