Home / 686,046.09-1,029,232.63-236,770.83

Finding the Fourth Proportional to 686,046.09, 1,029,232.63 and 236,770.83

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Solution

The fourth proportional to 686,046.09, 1,029,232.63 and 236,770.83 is: 355,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,046.09 : 1,029,232.63 = 236,770.83 : x
  2. Step 2: Convert to fraction form
    686,046.09/1,029,232.63 = 236,770.83/x
  3. Step 3: Cross multiply
    686,046.09x = 1,029,232.63 × 236,770.83
  4. Step 4: Simplify right side
    686,046.09x = 243,692,264,068.18
  5. Step 5: Solve for x
    x = 243,692,264,068.18/686,046.09
  6. Step 6: Final answer
    x = 355,212.67

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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.