Home / 752,746.10-1,128,197.55-331,574.90

Finding the Fourth Proportional to 752,746.10, 1,128,197.55 and 331,574.90

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Solution

The fourth proportional to 752,746.10, 1,128,197.55 and 331,574.90 is: 496,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,746.10 : 1,128,197.55 = 331,574.90 : x
  2. Step 2: Convert to fraction form
    752,746.10/1,128,197.55 = 331,574.90/x
  3. Step 3: Cross multiply
    752,746.10x = 1,128,197.55 × 331,574.90
  4. Step 4: Simplify right side
    752,746.10x = 374,081,989,821.50
  5. Step 5: Solve for x
    x = 374,081,989,821.50/752,746.10
  6. Step 6: Final answer
    x = 496,956.40

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Double scale
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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.