Home / 767,689.31-1,059,068.93-445,212.52

Finding the Fourth Proportional to 767,689.31, 1,059,068.93 and 445,212.52

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Solution

The fourth proportional to 767,689.31, 1,059,068.93 and 445,212.52 is: 614,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,689.31 : 1,059,068.93 = 445,212.52 : x
  2. Step 2: Convert to fraction form
    767,689.31/1,059,068.93 = 445,212.52/x
  3. Step 3: Cross multiply
    767,689.31x = 1,059,068.93 × 445,212.52
  4. Step 4: Simplify right side
    767,689.31x = 471,510,742,305.27
  5. Step 5: Solve for x
    x = 471,510,742,305.27/767,689.31
  6. Step 6: Final answer
    x = 614,194.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.