Home / 750,920.73-1,036,271.64-406,760.41

Finding the Fourth Proportional to 750,920.73, 1,036,271.64 and 406,760.41

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Solution

The fourth proportional to 750,920.73, 1,036,271.64 and 406,760.41 is: 561,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,920.73 : 1,036,271.64 = 406,760.41 : x
  2. Step 2: Convert to fraction form
    750,920.73/1,036,271.64 = 406,760.41/x
  3. Step 3: Cross multiply
    750,920.73x = 1,036,271.64 × 406,760.41
  4. Step 4: Simplify right side
    750,920.73x = 421,514,277,157.77
  5. Step 5: Solve for x
    x = 421,514,277,157.77/750,920.73
  6. Step 6: Final answer
    x = 561,329.93

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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.