Home / 686,049.60-1,029,237.88-236,774.34

Finding the Fourth Proportional to 686,049.60, 1,029,237.88 and 236,774.34

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Solution

The fourth proportional to 686,049.60, 1,029,237.88 and 236,774.34 is: 355,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,049.60 : 1,029,237.88 = 236,774.34 : x
  2. Step 2: Convert to fraction form
    686,049.60/1,029,237.88 = 236,774.34/x
  3. Step 3: Cross multiply
    686,049.60x = 1,029,237.88 × 236,774.34
  4. Step 4: Simplify right side
    686,049.60x = 243,697,119,740.00
  5. Step 5: Solve for x
    x = 243,697,119,740.00/686,049.60
  6. Step 6: Final answer
    x = 355,217.93

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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.