Home / 745,763.28-1,029,148.04-406,231.52

Finding the Fourth Proportional to 745,763.28, 1,029,148.04 and 406,231.52

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Solution

The fourth proportional to 745,763.28, 1,029,148.04 and 406,231.52 is: 560,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,763.28 : 1,029,148.04 = 406,231.52 : x
  2. Step 2: Convert to fraction form
    745,763.28/1,029,148.04 = 406,231.52/x
  3. Step 3: Cross multiply
    745,763.28x = 1,029,148.04 × 406,231.52
  4. Step 4: Simplify right side
    745,763.28x = 418,072,372,594.22
  5. Step 5: Solve for x
    x = 418,072,372,594.22/745,763.28
  6. Step 6: Final answer
    x = 560,596.62

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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.