Home / 699,126.48-1,048,025.28-445,695.72

Finding the Fourth Proportional to 699,126.48, 1,048,025.28 and 445,695.72

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Solution

The fourth proportional to 699,126.48, 1,048,025.28 and 445,695.72 is: 668,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,126.48 : 1,048,025.28 = 445,695.72 : x
  2. Step 2: Convert to fraction form
    699,126.48/1,048,025.28 = 445,695.72/x
  3. Step 3: Cross multiply
    699,126.48x = 1,048,025.28 × 445,695.72
  4. Step 4: Simplify right side
    699,126.48x = 467,100,381,747.80
  5. Step 5: Solve for x
    x = 467,100,381,747.80/699,126.48
  6. Step 6: Final answer
    x = 668,120.00

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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.