Home / 752,180.04-1,128,138.93-347,337.81

Finding the Fourth Proportional to 752,180.04, 1,128,138.93 and 347,337.81

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Solution

The fourth proportional to 752,180.04, 1,128,138.93 and 347,337.81 is: 520,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,180.04 : 1,128,138.93 = 347,337.81 : x
  2. Step 2: Convert to fraction form
    752,180.04/1,128,138.93 = 347,337.81/x
  3. Step 3: Cross multiply
    752,180.04x = 1,128,138.93 × 347,337.81
  4. Step 4: Simplify right side
    752,180.04x = 391,845,305,321.94
  5. Step 5: Solve for x
    x = 391,845,305,321.94/752,180.04
  6. Step 6: Final answer
    x = 520,946.16

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1.5x scale

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.