Home / 668,883.04-1,003,557.84-284,826.40

Finding the Fourth Proportional to 668,883.04, 1,003,557.84 and 284,826.40

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Solution

The fourth proportional to 668,883.04, 1,003,557.84 and 284,826.40 is: 427,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,883.04 : 1,003,557.84 = 284,826.40 : x
  2. Step 2: Convert to fraction form
    668,883.04/1,003,557.84 = 284,826.40/x
  3. Step 3: Cross multiply
    668,883.04x = 1,003,557.84 × 284,826.40
  4. Step 4: Simplify right side
    668,883.04x = 285,839,763,181.98
  5. Step 5: Solve for x
    x = 285,839,763,181.98/668,883.04
  6. Step 6: Final answer
    x = 427,338.93

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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.