Home / 559,982.79-772,777.02-305,333.98

Finding the Fourth Proportional to 559,982.79, 772,777.02 and 305,333.98

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Solution

The fourth proportional to 559,982.79, 772,777.02 and 305,333.98 is: 421,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,982.79 : 772,777.02 = 305,333.98 : x
  2. Step 2: Convert to fraction form
    559,982.79/772,777.02 = 305,333.98/x
  3. Step 3: Cross multiply
    559,982.79x = 772,777.02 × 305,333.98
  4. Step 4: Simplify right side
    559,982.79x = 235,955,083,169.14
  5. Step 5: Solve for x
    x = 235,955,083,169.14/559,982.79
  6. Step 6: Final answer
    x = 421,361.31

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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.