Home / 698,306.92-1,047,919.72-382,985.26

Finding the Fourth Proportional to 698,306.92, 1,047,919.72 and 382,985.26

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Solution

The fourth proportional to 698,306.92, 1,047,919.72 and 382,985.26 is: 574,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,306.92 : 1,047,919.72 = 382,985.26 : x
  2. Step 2: Convert to fraction form
    698,306.92/1,047,919.72 = 382,985.26/x
  3. Step 3: Cross multiply
    698,306.92x = 1,047,919.72 × 382,985.26
  4. Step 4: Simplify right side
    698,306.92x = 401,337,806,423.33
  5. Step 5: Solve for x
    x = 401,337,806,423.33/698,306.92
  6. Step 6: Final answer
    x = 574,729.81

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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.