Home / 909,692.64-1,255,354.20-501,785.82

Finding the Fourth Proportional to 909,692.64, 1,255,354.20 and 501,785.82

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Solution

The fourth proportional to 909,692.64, 1,255,354.20 and 501,785.82 is: 692,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,692.64 : 1,255,354.20 = 501,785.82 : x
  2. Step 2: Convert to fraction form
    909,692.64/1,255,354.20 = 501,785.82/x
  3. Step 3: Cross multiply
    909,692.64x = 1,255,354.20 × 501,785.82
  4. Step 4: Simplify right side
    909,692.64x = 629,918,936,637.44
  5. Step 5: Solve for x
    x = 629,918,936,637.44/909,692.64
  6. Step 6: Final answer
    x = 692,452.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.