Home / 849,427.28-1,274,361.44-316,952.31

Finding the Fourth Proportional to 849,427.28, 1,274,361.44 and 316,952.31

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Solution

The fourth proportional to 849,427.28, 1,274,361.44 and 316,952.31 is: 475,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,427.28 : 1,274,361.44 = 316,952.31 : x
  2. Step 2: Convert to fraction form
    849,427.28/1,274,361.44 = 316,952.31/x
  3. Step 3: Cross multiply
    849,427.28x = 1,274,361.44 × 316,952.31
  4. Step 4: Simplify right side
    849,427.28x = 403,911,802,182.93
  5. Step 5: Solve for x
    x = 403,911,802,182.93/849,427.28
  6. Step 6: Final answer
    x = 475,510.75

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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.