Home / 921,125.52-1,379,688.48-446,814

Finding the Fourth Proportional to 921,125.52, 1,379,688.48 and 446,814

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Solution

The fourth proportional to 921,125.52, 1,379,688.48 and 446,814 is: 669,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,125.52 : 1,379,688.48 = 446,814 : x
  2. Step 2: Convert to fraction form
    921,125.52/1,379,688.48 = 446,814/x
  3. Step 3: Cross multiply
    921,125.52x = 1,379,688.48 × 446,814
  4. Step 4: Simplify right side
    921,125.52x = 616,464,128,502.72
  5. Step 5: Solve for x
    x = 616,464,128,502.72/921,125.52
  6. Step 6: Final answer
    x = 669,250.95

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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.