Home / 762,820.04-1,052,692.26-423,288.20

Finding the Fourth Proportional to 762,820.04, 1,052,692.26 and 423,288.20

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Solution

The fourth proportional to 762,820.04, 1,052,692.26 and 423,288.20 is: 584,138.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,820.04 : 1,052,692.26 = 423,288.20 : x
  2. Step 2: Convert to fraction form
    762,820.04/1,052,692.26 = 423,288.20/x
  3. Step 3: Cross multiply
    762,820.04x = 1,052,692.26 × 423,288.20
  4. Step 4: Simplify right side
    762,820.04x = 445,592,211,889.33
  5. Step 5: Solve for x
    x = 445,592,211,889.33/762,820.04
  6. Step 6: Final answer
    x = 584,138.05

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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.