Home / 668,905.05-1,003,354.74-242,340.86

Finding the Fourth Proportional to 668,905.05, 1,003,354.74 and 242,340.86

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Solution

The fourth proportional to 668,905.05, 1,003,354.74 and 242,340.86 is: 363,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,905.05 : 1,003,354.74 = 242,340.86 : x
  2. Step 2: Convert to fraction form
    668,905.05/1,003,354.74 = 242,340.86/x
  3. Step 3: Cross multiply
    668,905.05x = 1,003,354.74 × 242,340.86
  4. Step 4: Simplify right side
    668,905.05x = 243,153,850,576.68
  5. Step 5: Solve for x
    x = 243,153,850,576.68/668,905.05
  6. Step 6: Final answer
    x = 363,510.26

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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.