Home / 676,928.88-1,015,421.36-558,379.44

Finding the Fourth Proportional to 676,928.88, 1,015,421.36 and 558,379.44

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Solution

The fourth proportional to 676,928.88, 1,015,421.36 and 558,379.44 is: 837,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,928.88 : 1,015,421.36 = 558,379.44 : x
  2. Step 2: Convert to fraction form
    676,928.88/1,015,421.36 = 558,379.44/x
  3. Step 3: Cross multiply
    676,928.88x = 1,015,421.36 × 558,379.44
  4. Step 4: Simplify right side
    676,928.88x = 566,990,410,360.84
  5. Step 5: Solve for x
    x = 566,990,410,360.84/676,928.88
  6. Step 6: Final answer
    x = 837,592.29

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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.