Home / 761,329.62-1,050,589.35-421,773.30

Finding the Fourth Proportional to 761,329.62, 1,050,589.35 and 421,773.30

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Solution

The fourth proportional to 761,329.62, 1,050,589.35 and 421,773.30 is: 582,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,329.62 : 1,050,589.35 = 421,773.30 : x
  2. Step 2: Convert to fraction form
    761,329.62/1,050,589.35 = 421,773.30/x
  3. Step 3: Cross multiply
    761,329.62x = 1,050,589.35 × 421,773.30
  4. Step 4: Simplify right side
    761,329.62x = 443,110,537,094.36
  5. Step 5: Solve for x
    x = 443,110,537,094.36/761,329.62
  6. Step 6: Final answer
    x = 582,021.93

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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.