Home / 755,041.65-1,041,979.40-410,899.79

Finding the Fourth Proportional to 755,041.65, 1,041,979.40 and 410,899.79

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Solution

The fourth proportional to 755,041.65, 1,041,979.40 and 410,899.79 is: 567,053.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,041.65 : 1,041,979.40 = 410,899.79 : x
  2. Step 2: Convert to fraction form
    755,041.65/1,041,979.40 = 410,899.79/x
  3. Step 3: Cross multiply
    755,041.65x = 1,041,979.40 × 410,899.79
  4. Step 4: Simplify right side
    755,041.65x = 428,149,109,379.93
  5. Step 5: Solve for x
    x = 428,149,109,379.93/755,041.65
  6. Step 6: Final answer
    x = 567,053.63

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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.