Home / 843,886.20-1,265,834.58-345,250.20

Finding the Fourth Proportional to 843,886.20, 1,265,834.58 and 345,250.20

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Solution

The fourth proportional to 843,886.20, 1,265,834.58 and 345,250.20 is: 517,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,886.20 : 1,265,834.58 = 345,250.20 : x
  2. Step 2: Convert to fraction form
    843,886.20/1,265,834.58 = 345,250.20/x
  3. Step 3: Cross multiply
    843,886.20x = 1,265,834.58 × 345,250.20
  4. Step 4: Simplify right side
    843,886.20x = 437,029,641,911.92
  5. Step 5: Solve for x
    x = 437,029,641,911.92/843,886.20
  6. Step 6: Final answer
    x = 517,877.46

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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.