Home / 758,539.65-1,137,975.66-285,225.02

Finding the Fourth Proportional to 758,539.65, 1,137,975.66 and 285,225.02

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Solution

The fourth proportional to 758,539.65, 1,137,975.66 and 285,225.02 is: 427,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,539.65 : 1,137,975.66 = 285,225.02 : x
  2. Step 2: Convert to fraction form
    758,539.65/1,137,975.66 = 285,225.02/x
  3. Step 3: Cross multiply
    758,539.65x = 1,137,975.66 × 285,225.02
  4. Step 4: Simplify right side
    758,539.65x = 324,579,124,693.14
  5. Step 5: Solve for x
    x = 324,579,124,693.14/758,539.65
  6. Step 6: Final answer
    x = 427,900.01

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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.