Home / 745,799.76-1,029,198.33-406,268.10

Finding the Fourth Proportional to 745,799.76, 1,029,198.33 and 406,268.10

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Solution

The fourth proportional to 745,799.76, 1,029,198.33 and 406,268.10 is: 560,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,799.76 : 1,029,198.33 = 406,268.10 : x
  2. Step 2: Convert to fraction form
    745,799.76/1,029,198.33 = 406,268.10/x
  3. Step 3: Cross multiply
    745,799.76x = 1,029,198.33 × 406,268.10
  4. Step 4: Simplify right side
    745,799.76x = 418,130,450,052.27
  5. Step 5: Solve for x
    x = 418,130,450,052.27/745,799.76
  6. Step 6: Final answer
    x = 560,647.07

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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.