Home / 745,785.26-1,029,178.41-406,253.51

Finding the Fourth Proportional to 745,785.26, 1,029,178.41 and 406,253.51

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Solution

The fourth proportional to 745,785.26, 1,029,178.41 and 406,253.51 is: 560,626.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,785.26 : 1,029,178.41 = 406,253.51 : x
  2. Step 2: Convert to fraction form
    745,785.26/1,029,178.41 = 406,253.51/x
  3. Step 3: Cross multiply
    745,785.26x = 1,029,178.41 × 406,253.51
  4. Step 4: Simplify right side
    745,785.26x = 418,107,341,478.72
  5. Step 5: Solve for x
    x = 418,107,341,478.72/745,785.26
  6. Step 6: Final answer
    x = 560,626.98

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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.