Home / 750,464.19-1,035,640.79-406,300.05

Finding the Fourth Proportional to 750,464.19, 1,035,640.79 and 406,300.05

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Solution

The fourth proportional to 750,464.19, 1,035,640.79 and 406,300.05 is: 560,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,464.19 : 1,035,640.79 = 406,300.05 : x
  2. Step 2: Convert to fraction form
    750,464.19/1,035,640.79 = 406,300.05/x
  3. Step 3: Cross multiply
    750,464.19x = 1,035,640.79 × 406,300.05
  4. Step 4: Simplify right side
    750,464.19x = 420,780,904,251.16
  5. Step 5: Solve for x
    x = 420,780,904,251.16/750,464.19
  6. Step 6: Final answer
    x = 560,694.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.