Home / 684,823.72-1,026,567.74-285,578.77

Finding the Fourth Proportional to 684,823.72, 1,026,567.74 and 285,578.77

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Solution

The fourth proportional to 684,823.72, 1,026,567.74 and 285,578.77 is: 428,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,823.72 : 1,026,567.74 = 285,578.77 : x
  2. Step 2: Convert to fraction form
    684,823.72/1,026,567.74 = 285,578.77/x
  3. Step 3: Cross multiply
    684,823.72x = 1,026,567.74 × 285,578.77
  4. Step 4: Simplify right side
    684,823.72x = 293,165,954,720.33
  5. Step 5: Solve for x
    x = 293,165,954,720.33/684,823.72
  6. Step 6: Final answer
    x = 428,089.66

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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.