Home / 829,586.76-1,245,044.52-380,519.16

Finding the Fourth Proportional to 829,586.76, 1,245,044.52 and 380,519.16

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Solution

The fourth proportional to 829,586.76, 1,245,044.52 and 380,519.16 is: 571,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,586.76 : 1,245,044.52 = 380,519.16 : x
  2. Step 2: Convert to fraction form
    829,586.76/1,245,044.52 = 380,519.16/x
  3. Step 3: Cross multiply
    829,586.76x = 1,245,044.52 × 380,519.16
  4. Step 4: Simplify right side
    829,586.76x = 473,763,294,913.00
  5. Step 5: Solve for x
    x = 473,763,294,913.00/829,586.76
  6. Step 6: Final answer
    x = 571,083.48

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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.