Home / 798,918.75-1,102,490.78-436,344.02

Finding the Fourth Proportional to 798,918.75, 1,102,490.78 and 436,344.02

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Solution

The fourth proportional to 798,918.75, 1,102,490.78 and 436,344.02 is: 602,145.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,918.75 : 1,102,490.78 = 436,344.02 : x
  2. Step 2: Convert to fraction form
    798,918.75/1,102,490.78 = 436,344.02/x
  3. Step 3: Cross multiply
    798,918.75x = 1,102,490.78 × 436,344.02
  4. Step 4: Simplify right side
    798,918.75x = 481,065,251,263.96
  5. Step 5: Solve for x
    x = 481,065,251,263.96/798,918.75
  6. Step 6: Final answer
    x = 602,145.40

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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.