Home / 873,898.86-1,310,919.03-242,812.74

Finding the Fourth Proportional to 873,898.86, 1,310,919.03 and 242,812.74

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Solution

The fourth proportional to 873,898.86, 1,310,919.03 and 242,812.74 is: 364,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,898.86 : 1,310,919.03 = 242,812.74 : x
  2. Step 2: Convert to fraction form
    873,898.86/1,310,919.03 = 242,812.74/x
  3. Step 3: Cross multiply
    873,898.86x = 1,310,919.03 × 242,812.74
  4. Step 4: Simplify right side
    873,898.86x = 318,307,841,592.44
  5. Step 5: Solve for x
    x = 318,307,841,592.44/873,898.86
  6. Step 6: Final answer
    x = 364,238.77

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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.