Home / 869,240.70-1,302,305.85-536,427.90

Finding the Fourth Proportional to 869,240.70, 1,302,305.85 and 536,427.90

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Solution

The fourth proportional to 869,240.70, 1,302,305.85 and 536,427.90 is: 803,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,240.70 : 1,302,305.85 = 536,427.90 : x
  2. Step 2: Convert to fraction form
    869,240.70/1,302,305.85 = 536,427.90/x
  3. Step 3: Cross multiply
    869,240.70x = 1,302,305.85 × 536,427.90
  4. Step 4: Simplify right side
    869,240.70x = 698,593,192,273.22
  5. Step 5: Solve for x
    x = 698,593,192,273.22/869,240.70
  6. Step 6: Final answer
    x = 803,682.10

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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.