Home / 909,338.20-1,364,007.06-310,299.32

Finding the Fourth Proportional to 909,338.20, 1,364,007.06 and 310,299.32

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Solution

The fourth proportional to 909,338.20, 1,364,007.06 and 310,299.32 is: 465,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,338.20 : 1,364,007.06 = 310,299.32 : x
  2. Step 2: Convert to fraction form
    909,338.20/1,364,007.06 = 310,299.32/x
  3. Step 3: Cross multiply
    909,338.20x = 1,364,007.06 × 310,299.32
  4. Step 4: Simplify right side
    909,338.20x = 423,250,463,193.20
  5. Step 5: Solve for x
    x = 423,250,463,193.20/909,338.20
  6. Step 6: Final answer
    x = 465,448.90

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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.