Home / 761,497.20-1,141,044.14-281,063.72

Finding the Fourth Proportional to 761,497.20, 1,141,044.14 and 281,063.72

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Solution

The fourth proportional to 761,497.20, 1,141,044.14 and 281,063.72 is: 421,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,497.20 : 1,141,044.14 = 281,063.72 : x
  2. Step 2: Convert to fraction form
    761,497.20/1,141,044.14 = 281,063.72/x
  3. Step 3: Cross multiply
    761,497.20x = 1,141,044.14 × 281,063.72
  4. Step 4: Simplify right side
    761,497.20x = 320,706,110,672.60
  5. Step 5: Solve for x
    x = 320,706,110,672.60/761,497.20
  6. Step 6: Final answer
    x = 421,152.06

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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.