Home / 698,810-1,047,369.32-496,087.20

Finding the Fourth Proportional to 698,810, 1,047,369.32 and 496,087.20

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Solution

The fourth proportional to 698,810, 1,047,369.32 and 496,087.20 is: 743,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,810 : 1,047,369.32 = 496,087.20 : x
  2. Step 2: Convert to fraction form
    698,810/1,047,369.32 = 496,087.20/x
  3. Step 3: Cross multiply
    698,810x = 1,047,369.32 × 496,087.20
  4. Step 4: Simplify right side
    698,810x = 519,586,513,324.70
  5. Step 5: Solve for x
    x = 519,586,513,324.70/698,810
  6. Step 6: Final answer
    x = 743,530.45

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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.