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Finding the Fourth Proportional to 652,196.60, 977,808.90 and 336,879.80

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Solution

The fourth proportional to 652,196.60, 977,808.90 and 336,879.80 is: 505,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,196.60 : 977,808.90 = 336,879.80 : x
  2. Step 2: Convert to fraction form
    652,196.60/977,808.90 = 336,879.80/x
  3. Step 3: Cross multiply
    652,196.60x = 977,808.90 × 336,879.80
  4. Step 4: Simplify right side
    652,196.60x = 329,404,066,670.22
  5. Step 5: Solve for x
    x = 329,404,066,670.22/652,196.60
  6. Step 6: Final answer
    x = 505,068.67

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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.