Home / 989,024.45-1,483,479.27-381,693.96

Finding the Fourth Proportional to 989,024.45, 1,483,479.27 and 381,693.96

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Solution

The fourth proportional to 989,024.45, 1,483,479.27 and 381,693.96 is: 572,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,024.45 : 1,483,479.27 = 381,693.96 : x
  2. Step 2: Convert to fraction form
    989,024.45/1,483,479.27 = 381,693.96/x
  3. Step 3: Cross multiply
    989,024.45x = 1,483,479.27 × 381,693.96
  4. Step 4: Simplify right side
    989,024.45x = 566,235,077,144.21
  5. Step 5: Solve for x
    x = 566,235,077,144.21/989,024.45
  6. Step 6: Final answer
    x = 572,518.79

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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.