Home / 761,625.42-1,141,315.02-424,201.26

Finding the Fourth Proportional to 761,625.42, 1,141,315.02 and 424,201.26

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Solution

The fourth proportional to 761,625.42, 1,141,315.02 and 424,201.26 is: 635,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,625.42 : 1,141,315.02 = 424,201.26 : x
  2. Step 2: Convert to fraction form
    761,625.42/1,141,315.02 = 424,201.26/x
  3. Step 3: Cross multiply
    761,625.42x = 1,141,315.02 × 424,201.26
  4. Step 4: Simplify right side
    761,625.42x = 484,147,269,540.93
  5. Step 5: Solve for x
    x = 484,147,269,540.93/761,625.42
  6. Step 6: Final answer
    x = 635,676.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.