Home / 983,888.64-1,475,838.72-300,781.44

Finding the Fourth Proportional to 983,888.64, 1,475,838.72 and 300,781.44

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Solution

The fourth proportional to 983,888.64, 1,475,838.72 and 300,781.44 is: 451,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,888.64 : 1,475,838.72 = 300,781.44 : x
  2. Step 2: Convert to fraction form
    983,888.64/1,475,838.72 = 300,781.44/x
  3. Step 3: Cross multiply
    983,888.64x = 1,475,838.72 × 300,781.44
  4. Step 4: Simplify right side
    983,888.64x = 443,904,895,409.36
  5. Step 5: Solve for x
    x = 443,904,895,409.36/983,888.64
  6. Step 6: Final answer
    x = 451,173.92

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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.