Home / 680,057.20-1,018,530.60-347,244.40

Finding the Fourth Proportional to 680,057.20, 1,018,530.60 and 347,244.40

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Solution

The fourth proportional to 680,057.20, 1,018,530.60 and 347,244.40 is: 520,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,057.20 : 1,018,530.60 = 347,244.40 : x
  2. Step 2: Convert to fraction form
    680,057.20/1,018,530.60 = 347,244.40/x
  3. Step 3: Cross multiply
    680,057.20x = 1,018,530.60 × 347,244.40
  4. Step 4: Simplify right side
    680,057.20x = 353,679,047,078.64
  5. Step 5: Solve for x
    x = 353,679,047,078.64/680,057.20
  6. Step 6: Final answer
    x = 520,072.50

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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.