Home / 685,168.43-1,027,746.95-535,534.49

Finding the Fourth Proportional to 685,168.43, 1,027,746.95 and 535,534.49

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Solution

The fourth proportional to 685,168.43, 1,027,746.95 and 535,534.49 is: 803,297.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,168.43 : 1,027,746.95 = 535,534.49 : x
  2. Step 2: Convert to fraction form
    685,168.43/1,027,746.95 = 535,534.49/x
  3. Step 3: Cross multiply
    685,168.43x = 1,027,746.95 × 535,534.49
  4. Step 4: Simplify right side
    685,168.43x = 550,393,938,717.31
  5. Step 5: Solve for x
    x = 550,393,938,717.31/685,168.43
  6. Step 6: Final answer
    x = 803,297.28

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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.