Home / 827,429.86-1,243,013.23-490,691.41

Finding the Fourth Proportional to 827,429.86, 1,243,013.23 and 490,691.41

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Solution

The fourth proportional to 827,429.86, 1,243,013.23 and 490,691.41 is: 737,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,429.86 : 1,243,013.23 = 490,691.41 : x
  2. Step 2: Convert to fraction form
    827,429.86/1,243,013.23 = 490,691.41/x
  3. Step 3: Cross multiply
    827,429.86x = 1,243,013.23 × 490,691.41
  4. Step 4: Simplify right side
    827,429.86x = 609,935,911,983.19
  5. Step 5: Solve for x
    x = 609,935,911,983.19/827,429.86
  6. Step 6: Final answer
    x = 737,145.15

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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.