Home / 698,293.42-1,047,899.46-382,971.76

Finding the Fourth Proportional to 698,293.42, 1,047,899.46 and 382,971.76

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Solution

The fourth proportional to 698,293.42, 1,047,899.46 and 382,971.76 is: 574,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,293.42 : 1,047,899.46 = 382,971.76 : x
  2. Step 2: Convert to fraction form
    698,293.42/1,047,899.46 = 382,971.76/x
  3. Step 3: Cross multiply
    698,293.42x = 1,047,899.46 × 382,971.76
  4. Step 4: Simplify right side
    698,293.42x = 401,315,900,499.25
  5. Step 5: Solve for x
    x = 401,315,900,499.25/698,293.42
  6. Step 6: Final answer
    x = 574,709.55

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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.