Home / 603,715.93-904,079.17-443,411.72

Finding the Fourth Proportional to 603,715.93, 904,079.17 and 443,411.72

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Solution

The fourth proportional to 603,715.93, 904,079.17 and 443,411.72 is: 664,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,715.93 : 904,079.17 = 443,411.72 : x
  2. Step 2: Convert to fraction form
    603,715.93/904,079.17 = 443,411.72/x
  3. Step 3: Cross multiply
    603,715.93x = 904,079.17 × 443,411.72
  4. Step 4: Simplify right side
    603,715.93x = 400,879,299,785.87
  5. Step 5: Solve for x
    x = 400,879,299,785.87/603,715.93
  6. Step 6: Final answer
    x = 664,019.75

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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.