Home / 758,409.43-1,137,783.63-285,098.89

Finding the Fourth Proportional to 758,409.43, 1,137,783.63 and 285,098.89

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Solution

The fourth proportional to 758,409.43, 1,137,783.63 and 285,098.89 is: 427,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,409.43 : 1,137,783.63 = 285,098.89 : x
  2. Step 2: Convert to fraction form
    758,409.43/1,137,783.63 = 285,098.89/x
  3. Step 3: Cross multiply
    758,409.43x = 1,137,783.63 × 285,098.89
  4. Step 4: Simplify right side
    758,409.43x = 324,380,849,973.17
  5. Step 5: Solve for x
    x = 324,380,849,973.17/758,409.43
  6. Step 6: Final answer
    x = 427,712.05

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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.