Home / 954,486.50-1,431,738.39-289,638.50

Finding the Fourth Proportional to 954,486.50, 1,431,738.39 and 289,638.50

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Solution

The fourth proportional to 954,486.50, 1,431,738.39 and 289,638.50 is: 434,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,486.50 : 1,431,738.39 = 289,638.50 : x
  2. Step 2: Convert to fraction form
    954,486.50/1,431,738.39 = 289,638.50/x
  3. Step 3: Cross multiply
    954,486.50x = 1,431,738.39 × 289,638.50
  4. Step 4: Simplify right side
    954,486.50x = 414,686,559,672.02
  5. Step 5: Solve for x
    x = 414,686,559,672.02/954,486.50
  6. Step 6: Final answer
    x = 434,460.37

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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.