Home / 880,037.83-1,320,045.60-280,991.39

Finding the Fourth Proportional to 880,037.83, 1,320,045.60 and 280,991.39

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Solution

The fourth proportional to 880,037.83, 1,320,045.60 and 280,991.39 is: 421,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,037.83 : 1,320,045.60 = 280,991.39 : x
  2. Step 2: Convert to fraction form
    880,037.83/1,320,045.60 = 280,991.39/x
  3. Step 3: Cross multiply
    880,037.83x = 1,320,045.60 × 280,991.39
  4. Step 4: Simplify right side
    880,037.83x = 370,921,451,307.50
  5. Step 5: Solve for x
    x = 370,921,451,307.50/880,037.83
  6. Step 6: Final answer
    x = 421,483.53

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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.