Home / 761,059.26-1,141,642.15-305,650.53

Finding the Fourth Proportional to 761,059.26, 1,141,642.15 and 305,650.53

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Solution

The fourth proportional to 761,059.26, 1,141,642.15 and 305,650.53 is: 458,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,059.26 : 1,141,642.15 = 305,650.53 : x
  2. Step 2: Convert to fraction form
    761,059.26/1,141,642.15 = 305,650.53/x
  3. Step 3: Cross multiply
    761,059.26x = 1,141,642.15 × 305,650.53
  4. Step 4: Simplify right side
    761,059.26x = 348,943,527,453.71
  5. Step 5: Solve for x
    x = 348,943,527,453.71/761,059.26
  6. Step 6: Final answer
    x = 458,497.18

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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.