Home / 763,987.62-1,145,269.17-258,194.93

Finding the Fourth Proportional to 763,987.62, 1,145,269.17 and 258,194.93

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Solution

The fourth proportional to 763,987.62, 1,145,269.17 and 258,194.93 is: 387,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,987.62 : 1,145,269.17 = 258,194.93 : x
  2. Step 2: Convert to fraction form
    763,987.62/1,145,269.17 = 258,194.93/x
  3. Step 3: Cross multiply
    763,987.62x = 1,145,269.17 × 258,194.93
  4. Step 4: Simplify right side
    763,987.62x = 295,702,696,042.48
  5. Step 5: Solve for x
    x = 295,702,696,042.48/763,987.62
  6. Step 6: Final answer
    x = 387,051.69

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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.