Home / 933,955.84-1,399,244.25-428,939.28

Finding the Fourth Proportional to 933,955.84, 1,399,244.25 and 428,939.28

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Solution

The fourth proportional to 933,955.84, 1,399,244.25 and 428,939.28 is: 642,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,955.84 : 1,399,244.25 = 428,939.28 : x
  2. Step 2: Convert to fraction form
    933,955.84/1,399,244.25 = 428,939.28/x
  3. Step 3: Cross multiply
    933,955.84x = 1,399,244.25 × 428,939.28
  4. Step 4: Simplify right side
    933,955.84x = 600,190,821,139.14
  5. Step 5: Solve for x
    x = 600,190,821,139.14/933,955.84
  6. Step 6: Final answer
    x = 642,632.98

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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.