Home / 790,633.08-1,091,072.04-428,057.13

Finding the Fourth Proportional to 790,633.08, 1,091,072.04 and 428,057.13

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Solution

The fourth proportional to 790,633.08, 1,091,072.04 and 428,057.13 is: 590,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,633.08 : 1,091,072.04 = 428,057.13 : x
  2. Step 2: Convert to fraction form
    790,633.08/1,091,072.04 = 428,057.13/x
  3. Step 3: Cross multiply
    790,633.08x = 1,091,072.04 × 428,057.13
  4. Step 4: Simplify right side
    790,633.08x = 467,041,166,065.65
  5. Step 5: Solve for x
    x = 467,041,166,065.65/790,633.08
  6. Step 6: Final answer
    x = 590,717.97

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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.