Home / 815,459.70-1,223,189.55-602,883.30

Finding the Fourth Proportional to 815,459.70, 1,223,189.55 and 602,883.30

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Solution

The fourth proportional to 815,459.70, 1,223,189.55 and 602,883.30 is: 904,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,459.70 : 1,223,189.55 = 602,883.30 : x
  2. Step 2: Convert to fraction form
    815,459.70/1,223,189.55 = 602,883.30/x
  3. Step 3: Cross multiply
    815,459.70x = 1,223,189.55 × 602,883.30
  4. Step 4: Simplify right side
    815,459.70x = 737,440,552,429.52
  5. Step 5: Solve for x
    x = 737,440,552,429.52/815,459.70
  6. Step 6: Final answer
    x = 904,324.95

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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.