Home / 758,404.02-1,137,326.97-308,880.75

Finding the Fourth Proportional to 758,404.02, 1,137,326.97 and 308,880.75

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Solution

The fourth proportional to 758,404.02, 1,137,326.97 and 308,880.75 is: 463,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,404.02 : 1,137,326.97 = 308,880.75 : x
  2. Step 2: Convert to fraction form
    758,404.02/1,137,326.97 = 308,880.75/x
  3. Step 3: Cross multiply
    758,404.02x = 1,137,326.97 × 308,880.75
  4. Step 4: Simplify right side
    758,404.02x = 351,298,407,488.83
  5. Step 5: Solve for x
    x = 351,298,407,488.83/758,404.02
  6. Step 6: Final answer
    x = 463,207.47

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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.