Home / 992,758.24-1,487,828.74-393,392.43

Finding the Fourth Proportional to 992,758.24, 1,487,828.74 and 393,392.43

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Solution

The fourth proportional to 992,758.24, 1,487,828.74 and 393,392.43 is: 589,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,758.24 : 1,487,828.74 = 393,392.43 : x
  2. Step 2: Convert to fraction form
    992,758.24/1,487,828.74 = 393,392.43/x
  3. Step 3: Cross multiply
    992,758.24x = 1,487,828.74 × 393,392.43
  4. Step 4: Simplify right side
    992,758.24x = 585,300,571,142.99
  5. Step 5: Solve for x
    x = 585,300,571,142.99/992,758.24
  6. Step 6: Final answer
    x = 589,570.10

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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.