Home / 762,608.39-1,052,492.91-440,317.95

Finding the Fourth Proportional to 762,608.39, 1,052,492.91 and 440,317.95

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Solution

The fourth proportional to 762,608.39, 1,052,492.91 and 440,317.95 is: 607,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,608.39 : 1,052,492.91 = 440,317.95 : x
  2. Step 2: Convert to fraction form
    762,608.39/1,052,492.91 = 440,317.95/x
  3. Step 3: Cross multiply
    762,608.39x = 1,052,492.91 × 440,317.95
  4. Step 4: Simplify right side
    762,608.39x = 463,431,520,520.74
  5. Step 5: Solve for x
    x = 463,431,520,520.74/762,608.39
  6. Step 6: Final answer
    x = 607,692.66

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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.