Home / 961,898.29-1,442,846.32-385,781.54

Finding the Fourth Proportional to 961,898.29, 1,442,846.32 and 385,781.54

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Solution

The fourth proportional to 961,898.29, 1,442,846.32 and 385,781.54 is: 578,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,898.29 : 1,442,846.32 = 385,781.54 : x
  2. Step 2: Convert to fraction form
    961,898.29/1,442,846.32 = 385,781.54/x
  3. Step 3: Cross multiply
    961,898.29x = 1,442,846.32 × 385,781.54
  4. Step 4: Simplify right side
    961,898.29x = 556,623,467,134.25
  5. Step 5: Solve for x
    x = 556,623,467,134.25/961,898.29
  6. Step 6: Final answer
    x = 578,671.86

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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.