Home / 758,030.60-1,135,548.30-384,321.80

Finding the Fourth Proportional to 758,030.60, 1,135,548.30 and 384,321.80

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Solution

The fourth proportional to 758,030.60, 1,135,548.30 and 384,321.80 is: 575,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,030.60 : 1,135,548.30 = 384,321.80 : x
  2. Step 2: Convert to fraction form
    758,030.60/1,135,548.30 = 384,321.80/x
  3. Step 3: Cross multiply
    758,030.60x = 1,135,548.30 × 384,321.80
  4. Step 4: Simplify right side
    758,030.60x = 436,415,966,642.94
  5. Step 5: Solve for x
    x = 436,415,966,642.94/758,030.60
  6. Step 6: Final answer
    x = 575,723.42

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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.