Home / 851,857.35-1,279,232.25-569,363.25

Finding the Fourth Proportional to 851,857.35, 1,279,232.25 and 569,363.25

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Solution

The fourth proportional to 851,857.35, 1,279,232.25 and 569,363.25 is: 855,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,857.35 : 1,279,232.25 = 569,363.25 : x
  2. Step 2: Convert to fraction form
    851,857.35/1,279,232.25 = 569,363.25/x
  3. Step 3: Cross multiply
    851,857.35x = 1,279,232.25 × 569,363.25
  4. Step 4: Simplify right side
    851,857.35x = 728,347,831,364.81
  5. Step 5: Solve for x
    x = 728,347,831,364.81/851,857.35
  6. Step 6: Final answer
    x = 855,011.50

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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.