Home / 579,737.10-869,562.45-242,690.70

Finding the Fourth Proportional to 579,737.10, 869,562.45 and 242,690.70

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Solution

The fourth proportional to 579,737.10, 869,562.45 and 242,690.70 is: 364,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,737.10 : 869,562.45 = 242,690.70 : x
  2. Step 2: Convert to fraction form
    579,737.10/869,562.45 = 242,690.70/x
  3. Step 3: Cross multiply
    579,737.10x = 869,562.45 × 242,690.70
  4. Step 4: Simplify right side
    579,737.10x = 211,034,719,684.22
  5. Step 5: Solve for x
    x = 211,034,719,684.22/579,737.10
  6. Step 6: Final answer
    x = 364,017.97

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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.