Home / 579,533.27-869,393.15-280,035.87

Finding the Fourth Proportional to 579,533.27, 869,393.15 and 280,035.87

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Solution

The fourth proportional to 579,533.27, 869,393.15 and 280,035.87 is: 420,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,533.27 : 869,393.15 = 280,035.87 : x
  2. Step 2: Convert to fraction form
    579,533.27/869,393.15 = 280,035.87/x
  3. Step 3: Cross multiply
    579,533.27x = 869,393.15 × 280,035.87
  4. Step 4: Simplify right side
    579,533.27x = 243,461,263,522.02
  5. Step 5: Solve for x
    x = 243,461,263,522.02/579,533.27
  6. Step 6: Final answer
    x = 420,098.86

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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.