Home / 759,746.55-1,139,680.17-254,310.20

Finding the Fourth Proportional to 759,746.55, 1,139,680.17 and 254,310.20

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Solution

The fourth proportional to 759,746.55, 1,139,680.17 and 254,310.20 is: 381,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,746.55 : 1,139,680.17 = 254,310.20 : x
  2. Step 2: Convert to fraction form
    759,746.55/1,139,680.17 = 254,310.20/x
  3. Step 3: Cross multiply
    759,746.55x = 1,139,680.17 × 254,310.20
  4. Step 4: Simplify right side
    759,746.55x = 289,832,286,270.33
  5. Step 5: Solve for x
    x = 289,832,286,270.33/759,746.55
  6. Step 6: Final answer
    x = 381,485.49

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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.