Home / 873,587.76-1,309,601.76-340,984.56

Finding the Fourth Proportional to 873,587.76, 1,309,601.76 and 340,984.56

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Solution

The fourth proportional to 873,587.76, 1,309,601.76 and 340,984.56 is: 511,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,587.76 : 1,309,601.76 = 340,984.56 : x
  2. Step 2: Convert to fraction form
    873,587.76/1,309,601.76 = 340,984.56/x
  3. Step 3: Cross multiply
    873,587.76x = 1,309,601.76 × 340,984.56
  4. Step 4: Simplify right side
    873,587.76x = 446,553,979,908.83
  5. Step 5: Solve for x
    x = 446,553,979,908.83/873,587.76
  6. Step 6: Final answer
    x = 511,172.43

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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.