Home / 698,308.92-1,047,922.72-382,987.26

Finding the Fourth Proportional to 698,308.92, 1,047,922.72 and 382,987.26

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Solution

The fourth proportional to 698,308.92, 1,047,922.72 and 382,987.26 is: 574,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,308.92 : 1,047,922.72 = 382,987.26 : x
  2. Step 2: Convert to fraction form
    698,308.92/1,047,922.72 = 382,987.26/x
  3. Step 3: Cross multiply
    698,308.92x = 1,047,922.72 × 382,987.26
  4. Step 4: Simplify right side
    698,308.92x = 401,341,051,224.55
  5. Step 5: Solve for x
    x = 401,341,051,224.55/698,308.92
  6. Step 6: Final answer
    x = 574,732.81

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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.