Home / 889,718.46-1,227,812.01-481,823.46

Finding the Fourth Proportional to 889,718.46, 1,227,812.01 and 481,823.46

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Solution

The fourth proportional to 889,718.46, 1,227,812.01 and 481,823.46 is: 664,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,718.46 : 1,227,812.01 = 481,823.46 : x
  2. Step 2: Convert to fraction form
    889,718.46/1,227,812.01 = 481,823.46/x
  3. Step 3: Cross multiply
    889,718.46x = 1,227,812.01 × 481,823.46
  4. Step 4: Simplify right side
    889,718.46x = 591,588,630,887.76
  5. Step 5: Solve for x
    x = 591,588,630,887.76/889,718.46
  6. Step 6: Final answer
    x = 664,916.66

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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.