Home / 758,577.34-1,138,032.30-285,262.54

Finding the Fourth Proportional to 758,577.34, 1,138,032.30 and 285,262.54

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Solution

The fourth proportional to 758,577.34, 1,138,032.30 and 285,262.54 is: 427,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,577.34 : 1,138,032.30 = 285,262.54 : x
  2. Step 2: Convert to fraction form
    758,577.34/1,138,032.30 = 285,262.54/x
  3. Step 3: Cross multiply
    758,577.34x = 1,138,032.30 × 285,262.54
  4. Step 4: Simplify right side
    758,577.34x = 324,637,984,500.04
  5. Step 5: Solve for x
    x = 324,637,984,500.04/758,577.34
  6. Step 6: Final answer
    x = 427,956.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.