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Finding the Fourth Proportional to 579,680.55, 869,952.83 and 299,053.35

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Solution

The fourth proportional to 579,680.55, 869,952.83 and 299,053.35 is: 448,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,680.55 : 869,952.83 = 299,053.35 : x
  2. Step 2: Convert to fraction form
    579,680.55/869,952.83 = 299,053.35/x
  3. Step 3: Cross multiply
    579,680.55x = 869,952.83 × 299,053.35
  4. Step 4: Simplify right side
    579,680.55x = 260,162,306,658.21
  5. Step 5: Solve for x
    x = 260,162,306,658.21/579,680.55
  6. Step 6: Final answer
    x = 448,802.89

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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.