Home / 815,477.70-1,223,216.55-602,901.30

Finding the Fourth Proportional to 815,477.70, 1,223,216.55 and 602,901.30

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Solution

The fourth proportional to 815,477.70, 1,223,216.55 and 602,901.30 is: 904,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,477.70 : 1,223,216.55 = 602,901.30 : x
  2. Step 2: Convert to fraction form
    815,477.70/1,223,216.55 = 602,901.30/x
  3. Step 3: Cross multiply
    815,477.70x = 1,223,216.55 × 602,901.30
  4. Step 4: Simplify right side
    815,477.70x = 737,478,848,176.52
  5. Step 5: Solve for x
    x = 737,478,848,176.52/815,477.70
  6. Step 6: Final answer
    x = 904,351.95

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Double scale
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Similar ratio
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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.