Home / 708,695.50-1,061,840.38-427,622.26

Finding the Fourth Proportional to 708,695.50, 1,061,840.38 and 427,622.26

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Solution

The fourth proportional to 708,695.50, 1,061,840.38 and 427,622.26 is: 640,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,695.50 : 1,061,840.38 = 427,622.26 : x
  2. Step 2: Convert to fraction form
    708,695.50/1,061,840.38 = 427,622.26/x
  3. Step 3: Cross multiply
    708,695.50x = 1,061,840.38 × 427,622.26
  4. Step 4: Simplify right side
    708,695.50x = 454,066,583,054.86
  5. Step 5: Solve for x
    x = 454,066,583,054.86/708,695.50
  6. Step 6: Final answer
    x = 640,707.59

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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.