Home / 952,721.76-1,428,075-312,857.40

Finding the Fourth Proportional to 952,721.76, 1,428,075 and 312,857.40

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Solution

The fourth proportional to 952,721.76, 1,428,075 and 312,857.40 is: 468,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,721.76 : 1,428,075 = 312,857.40 : x
  2. Step 2: Convert to fraction form
    952,721.76/1,428,075 = 312,857.40/x
  3. Step 3: Cross multiply
    952,721.76x = 1,428,075 × 312,857.40
  4. Step 4: Simplify right side
    952,721.76x = 446,783,831,505.00
  5. Step 5: Solve for x
    x = 446,783,831,505.00/952,721.76
  6. Step 6: Final answer
    x = 468,955.21

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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.