Home / 750,465.09-1,035,642.50-406,301.27

Finding the Fourth Proportional to 750,465.09, 1,035,642.50 and 406,301.27

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Solution

The fourth proportional to 750,465.09, 1,035,642.50 and 406,301.27 is: 560,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,465.09 : 1,035,642.50 = 406,301.27 : x
  2. Step 2: Convert to fraction form
    750,465.09/1,035,642.50 = 406,301.27/x
  3. Step 3: Cross multiply
    750,465.09x = 1,035,642.50 × 406,301.27
  4. Step 4: Simplify right side
    750,465.09x = 420,782,857,329.89
  5. Step 5: Solve for x
    x = 420,782,857,329.89/750,465.09
  6. Step 6: Final answer
    x = 560,696.11

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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.