Home / 646,083.42-891,579.24-355,692.57

Finding the Fourth Proportional to 646,083.42, 891,579.24 and 355,692.57

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Solution

The fourth proportional to 646,083.42, 891,579.24 and 355,692.57 is: 490,847.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,083.42 : 891,579.24 = 355,692.57 : x
  2. Step 2: Convert to fraction form
    646,083.42/891,579.24 = 355,692.57/x
  3. Step 3: Cross multiply
    646,083.42x = 891,579.24 × 355,692.57
  4. Step 4: Simplify right side
    646,083.42x = 317,128,111,234.25
  5. Step 5: Solve for x
    x = 317,128,111,234.25/646,083.42
  6. Step 6: Final answer
    x = 490,847.00

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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.