Home / 745,780.26-1,029,171.51-406,248.51

Finding the Fourth Proportional to 745,780.26, 1,029,171.51 and 406,248.51

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Solution

The fourth proportional to 745,780.26, 1,029,171.51 and 406,248.51 is: 560,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,780.26 : 1,029,171.51 = 406,248.51 : x
  2. Step 2: Convert to fraction form
    745,780.26/1,029,171.51 = 406,248.51/x
  3. Step 3: Cross multiply
    745,780.26x = 1,029,171.51 × 406,248.51
  4. Step 4: Simplify right side
    745,780.26x = 418,099,392,471.95
  5. Step 5: Solve for x
    x = 418,099,392,471.95/745,780.26
  6. Step 6: Final answer
    x = 560,620.08

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1.5x scale

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.