Home / 757,467.09-1,045,326.48-417,957.21

Finding the Fourth Proportional to 757,467.09, 1,045,326.48 and 417,957.21

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Solution

The fourth proportional to 757,467.09, 1,045,326.48 and 417,957.21 is: 576,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,467.09 : 1,045,326.48 = 417,957.21 : x
  2. Step 2: Convert to fraction form
    757,467.09/1,045,326.48 = 417,957.21/x
  3. Step 3: Cross multiply
    757,467.09x = 1,045,326.48 × 417,957.21
  4. Step 4: Simplify right side
    757,467.09x = 436,901,739,119.92
  5. Step 5: Solve for x
    x = 436,901,739,119.92/757,467.09
  6. Step 6: Final answer
    x = 576,793.03

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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.