Home / 738,522.65-1,107,341.10-338,662.50

Finding the Fourth Proportional to 738,522.65, 1,107,341.10 and 338,662.50

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Solution

The fourth proportional to 738,522.65, 1,107,341.10 and 338,662.50 is: 507,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,522.65 : 1,107,341.10 = 338,662.50 : x
  2. Step 2: Convert to fraction form
    738,522.65/1,107,341.10 = 338,662.50/x
  3. Step 3: Cross multiply
    738,522.65x = 1,107,341.10 × 338,662.50
  4. Step 4: Simplify right side
    738,522.65x = 375,014,905,278.75
  5. Step 5: Solve for x
    x = 375,014,905,278.75/738,522.65
  6. Step 6: Final answer
    x = 507,790.67

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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.