Home / 758,527.80-1,137,950.10-253,068.60

Finding the Fourth Proportional to 758,527.80, 1,137,950.10 and 253,068.60

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Solution

The fourth proportional to 758,527.80, 1,137,950.10 and 253,068.60 is: 379,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,527.80 : 1,137,950.10 = 253,068.60 : x
  2. Step 2: Convert to fraction form
    758,527.80/1,137,950.10 = 253,068.60/x
  3. Step 3: Cross multiply
    758,527.80x = 1,137,950.10 × 253,068.60
  4. Step 4: Simplify right side
    758,527.80x = 287,979,438,676.86
  5. Step 5: Solve for x
    x = 287,979,438,676.86/758,527.80
  6. Step 6: Final answer
    x = 379,655.75

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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.