Home / 758,145.15-1,137,488.16-325,680.89

Finding the Fourth Proportional to 758,145.15, 1,137,488.16 and 325,680.89

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Solution

The fourth proportional to 758,145.15, 1,137,488.16 and 325,680.89 is: 488,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,145.15 : 1,137,488.16 = 325,680.89 : x
  2. Step 2: Convert to fraction form
    758,145.15/1,137,488.16 = 325,680.89/x
  3. Step 3: Cross multiply
    758,145.15x = 1,137,488.16 × 325,680.89
  4. Step 4: Simplify right side
    758,145.15x = 370,458,151,847.13
  5. Step 5: Solve for x
    x = 370,458,151,847.13/758,145.15
  6. Step 6: Final answer
    x = 488,637.50

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Double scale
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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.