Home / 698,319.88-1,047,939.22-382,998.28

Finding the Fourth Proportional to 698,319.88, 1,047,939.22 and 382,998.28

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Solution

The fourth proportional to 698,319.88, 1,047,939.22 and 382,998.28 is: 574,749.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,319.88 : 1,047,939.22 = 382,998.28 : x
  2. Step 2: Convert to fraction form
    698,319.88/1,047,939.22 = 382,998.28/x
  3. Step 3: Cross multiply
    698,319.88x = 1,047,939.22 × 382,998.28
  4. Step 4: Simplify right side
    698,319.88x = 401,358,918,804.54
  5. Step 5: Solve for x
    x = 401,358,918,804.54/698,319.88
  6. Step 6: Final answer
    x = 574,749.38

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1.5x scale

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.