Home / 750,950.12-1,036,316.18-406,786.07

Finding the Fourth Proportional to 750,950.12, 1,036,316.18 and 406,786.07

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Solution

The fourth proportional to 750,950.12, 1,036,316.18 and 406,786.07 is: 561,367.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,950.12 : 1,036,316.18 = 406,786.07 : x
  2. Step 2: Convert to fraction form
    750,950.12/1,036,316.18 = 406,786.07/x
  3. Step 3: Cross multiply
    750,950.12x = 1,036,316.18 × 406,786.07
  4. Step 4: Simplify right side
    750,950.12x = 421,558,986,139.61
  5. Step 5: Solve for x
    x = 421,558,986,139.61/750,950.12
  6. Step 6: Final answer
    x = 561,367.49

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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.