Home / 761,494.19-1,141,039.64-281,060.71

Finding the Fourth Proportional to 761,494.19, 1,141,039.64 and 281,060.71

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Solution

The fourth proportional to 761,494.19, 1,141,039.64 and 281,060.71 is: 421,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,494.19 : 1,141,039.64 = 281,060.71 : x
  2. Step 2: Convert to fraction form
    761,494.19/1,141,039.64 = 281,060.71/x
  3. Step 3: Cross multiply
    761,494.19x = 1,141,039.64 × 281,060.71
  4. Step 4: Simplify right side
    761,494.19x = 320,701,409,206.60
  5. Step 5: Solve for x
    x = 320,701,409,206.60/761,494.19
  6. Step 6: Final answer
    x = 421,147.55

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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.