Home / 761,874.66-1,142,848.44-628,507.62

Finding the Fourth Proportional to 761,874.66, 1,142,848.44 and 628,507.62

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Solution

The fourth proportional to 761,874.66, 1,142,848.44 and 628,507.62 is: 942,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,874.66 : 1,142,848.44 = 628,507.62 : x
  2. Step 2: Convert to fraction form
    761,874.66/1,142,848.44 = 628,507.62/x
  3. Step 3: Cross multiply
    761,874.66x = 1,142,848.44 × 628,507.62
  4. Step 4: Simplify right side
    761,874.66x = 718,288,953,045.11
  5. Step 5: Solve for x
    x = 718,288,953,045.11/761,874.66
  6. Step 6: Final answer
    x = 942,791.50

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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.