Home / 679,628.49-1,019,886.25-253,505.19

Finding the Fourth Proportional to 679,628.49, 1,019,886.25 and 253,505.19

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Solution

The fourth proportional to 679,628.49, 1,019,886.25 and 253,505.19 is: 380,423.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,628.49 : 1,019,886.25 = 253,505.19 : x
  2. Step 2: Convert to fraction form
    679,628.49/1,019,886.25 = 253,505.19/x
  3. Step 3: Cross multiply
    679,628.49x = 1,019,886.25 × 253,505.19
  4. Step 4: Simplify right side
    679,628.49x = 258,546,458,218.40
  5. Step 5: Solve for x
    x = 258,546,458,218.40/679,628.49
  6. Step 6: Final answer
    x = 380,423.22

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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.