Home / 916,375.64-1,375,099.28-383,852.07

Finding the Fourth Proportional to 916,375.64, 1,375,099.28 and 383,852.07

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Solution

The fourth proportional to 916,375.64, 1,375,099.28 and 383,852.07 is: 576,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,375.64 : 1,375,099.28 = 383,852.07 : x
  2. Step 2: Convert to fraction form
    916,375.64/1,375,099.28 = 383,852.07/x
  3. Step 3: Cross multiply
    916,375.64x = 1,375,099.28 × 383,852.07
  4. Step 4: Simplify right side
    916,375.64x = 527,834,703,164.25
  5. Step 5: Solve for x
    x = 527,834,703,164.25/916,375.64
  6. Step 6: Final answer
    x = 576,002.55

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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.