Home / 859,788.74-1,287,910.02-503,722.46

Finding the Fourth Proportional to 859,788.74, 1,287,910.02 and 503,722.46

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Solution

The fourth proportional to 859,788.74, 1,287,910.02 and 503,722.46 is: 754,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,788.74 : 1,287,910.02 = 503,722.46 : x
  2. Step 2: Convert to fraction form
    859,788.74/1,287,910.02 = 503,722.46/x
  3. Step 3: Cross multiply
    859,788.74x = 1,287,910.02 × 503,722.46
  4. Step 4: Simplify right side
    859,788.74x = 648,749,203,533.05
  5. Step 5: Solve for x
    x = 648,749,203,533.05/859,788.74
  6. Step 6: Final answer
    x = 754,544.89

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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.