Home / 758,865-1,047,408.30-436,761.12

Finding the Fourth Proportional to 758,865, 1,047,408.30 and 436,761.12

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Solution

The fourth proportional to 758,865, 1,047,408.30 and 436,761.12 is: 602,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,865 : 1,047,408.30 = 436,761.12 : x
  2. Step 2: Convert to fraction form
    758,865/1,047,408.30 = 436,761.12/x
  3. Step 3: Cross multiply
    758,865x = 1,047,408.30 × 436,761.12
  4. Step 4: Simplify right side
    758,865x = 457,467,222,205.30
  5. Step 5: Solve for x
    x = 457,467,222,205.30/758,865
  6. Step 6: Final answer
    x = 602,830.84

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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.