Home / 724,929.90-1,086,082.65-619,953.90

Finding the Fourth Proportional to 724,929.90, 1,086,082.65 and 619,953.90

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Solution

The fourth proportional to 724,929.90, 1,086,082.65 and 619,953.90 is: 928,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,929.90 : 1,086,082.65 = 619,953.90 : x
  2. Step 2: Convert to fraction form
    724,929.90/1,086,082.65 = 619,953.90/x
  3. Step 3: Cross multiply
    724,929.90x = 1,086,082.65 × 619,953.90
  4. Step 4: Simplify right side
    724,929.90x = 673,321,174,589.84
  5. Step 5: Solve for x
    x = 673,321,174,589.84/724,929.90
  6. Step 6: Final answer
    x = 928,808.67

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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.