Home / 769,748.10-1,156,004.55-559,623.30

Finding the Fourth Proportional to 769,748.10, 1,156,004.55 and 559,623.30

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Solution

The fourth proportional to 769,748.10, 1,156,004.55 and 559,623.30 is: 840,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,748.10 : 1,156,004.55 = 559,623.30 : x
  2. Step 2: Convert to fraction form
    769,748.10/1,156,004.55 = 559,623.30/x
  3. Step 3: Cross multiply
    769,748.10x = 1,156,004.55 × 559,623.30
  4. Step 4: Simplify right side
    769,748.10x = 646,927,081,086.02
  5. Step 5: Solve for x
    x = 646,927,081,086.02/769,748.10
  6. Step 6: Final answer
    x = 840,439.98

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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.