Home / 821,102.50-1,133,056.14-458,504.72

Finding the Fourth Proportional to 821,102.50, 1,133,056.14 and 458,504.72

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Solution

The fourth proportional to 821,102.50, 1,133,056.14 and 458,504.72 is: 632,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,102.50 : 1,133,056.14 = 458,504.72 : x
  2. Step 2: Convert to fraction form
    821,102.50/1,133,056.14 = 458,504.72/x
  3. Step 3: Cross multiply
    821,102.50x = 1,133,056.14 × 458,504.72
  4. Step 4: Simplify right side
    821,102.50x = 519,511,582,549.70
  5. Step 5: Solve for x
    x = 519,511,582,549.70/821,102.50
  6. Step 6: Final answer
    x = 632,700.04

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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.