Home / 952,643.79-1,428,664.53-312,842.07

Finding the Fourth Proportional to 952,643.79, 1,428,664.53 and 312,842.07

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Solution

The fourth proportional to 952,643.79, 1,428,664.53 and 312,842.07 is: 469,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,643.79 : 1,428,664.53 = 312,842.07 : x
  2. Step 2: Convert to fraction form
    952,643.79/1,428,664.53 = 312,842.07/x
  3. Step 3: Cross multiply
    952,643.79x = 1,428,664.53 × 312,842.07
  4. Step 4: Simplify right side
    952,643.79x = 446,946,368,900.78
  5. Step 5: Solve for x
    x = 446,946,368,900.78/952,643.79
  6. Step 6: Final answer
    x = 469,164.21

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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.