Home / 889,435.94-1,226,920.51-562,647.72

Finding the Fourth Proportional to 889,435.94, 1,226,920.51 and 562,647.72

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Solution

The fourth proportional to 889,435.94, 1,226,920.51 and 562,647.72 is: 776,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,435.94 : 1,226,920.51 = 562,647.72 : x
  2. Step 2: Convert to fraction form
    889,435.94/1,226,920.51 = 562,647.72/x
  3. Step 3: Cross multiply
    889,435.94x = 1,226,920.51 × 562,647.72
  4. Step 4: Simplify right side
    889,435.94x = 690,324,021,438.14
  5. Step 5: Solve for x
    x = 690,324,021,438.14/889,435.94
  6. Step 6: Final answer
    x = 776,136.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.