Home / 761,052.51-1,141,632.02-305,643.78

Finding the Fourth Proportional to 761,052.51, 1,141,632.02 and 305,643.78

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Solution

The fourth proportional to 761,052.51, 1,141,632.02 and 305,643.78 is: 458,487.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,052.51 : 1,141,632.02 = 305,643.78 : x
  2. Step 2: Convert to fraction form
    761,052.51/1,141,632.02 = 305,643.78/x
  3. Step 3: Cross multiply
    761,052.51x = 1,141,632.02 × 305,643.78
  4. Step 4: Simplify right side
    761,052.51x = 348,932,726,725.95
  5. Step 5: Solve for x
    x = 348,932,726,725.95/761,052.51
  6. Step 6: Final answer
    x = 458,487.06

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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.