Home / 727,575.48-1,004,064.84-421,674.48

Finding the Fourth Proportional to 727,575.48, 1,004,064.84 and 421,674.48

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Solution

The fourth proportional to 727,575.48, 1,004,064.84 and 421,674.48 is: 581,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,575.48 : 1,004,064.84 = 421,674.48 : x
  2. Step 2: Convert to fraction form
    727,575.48/1,004,064.84 = 421,674.48/x
  3. Step 3: Cross multiply
    727,575.48x = 1,004,064.84 × 421,674.48
  4. Step 4: Simplify right side
    727,575.48x = 423,388,519,293.28
  5. Step 5: Solve for x
    x = 423,388,519,293.28/727,575.48
  6. Step 6: Final answer
    x = 581,916.97

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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.