Home / 909,434.30-1,363,776.09-310,443.75

Finding the Fourth Proportional to 909,434.30, 1,363,776.09 and 310,443.75

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Solution

The fourth proportional to 909,434.30, 1,363,776.09 and 310,443.75 is: 465,537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,434.30 : 1,363,776.09 = 310,443.75 : x
  2. Step 2: Convert to fraction form
    909,434.30/1,363,776.09 = 310,443.75/x
  3. Step 3: Cross multiply
    909,434.30x = 1,363,776.09 × 310,443.75
  4. Step 4: Simplify right side
    909,434.30x = 423,375,763,539.94
  5. Step 5: Solve for x
    x = 423,375,763,539.94/909,434.30
  6. Step 6: Final answer
    x = 465,537.49

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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.