Home / 756,940.91-1,134,126.08-456,790.78

Finding the Fourth Proportional to 756,940.91, 1,134,126.08 and 456,790.78

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Solution

The fourth proportional to 756,940.91, 1,134,126.08 and 456,790.78 is: 684,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,940.91 : 1,134,126.08 = 456,790.78 : x
  2. Step 2: Convert to fraction form
    756,940.91/1,134,126.08 = 456,790.78/x
  3. Step 3: Cross multiply
    756,940.91x = 1,134,126.08 × 456,790.78
  4. Step 4: Simplify right side
    756,940.91x = 518,058,328,746.96
  5. Step 5: Solve for x
    x = 518,058,328,746.96/756,940.91
  6. Step 6: Final answer
    x = 684,410.53

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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.