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Finding the Fourth Proportional to 454,010.86, 626,525.85 and 284,338.54

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Solution

The fourth proportional to 454,010.86, 626,525.85 and 284,338.54 is: 392,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,010.86 : 626,525.85 = 284,338.54 : x
  2. Step 2: Convert to fraction form
    454,010.86/626,525.85 = 284,338.54/x
  3. Step 3: Cross multiply
    454,010.86x = 626,525.85 × 284,338.54
  4. Step 4: Simplify right side
    454,010.86x = 178,145,445,461.26
  5. Step 5: Solve for x
    x = 178,145,445,461.26/454,010.86
  6. Step 6: Final answer
    x = 392,381.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.