Home / 929,157.48-1,282,114.53-521,243.67

Finding the Fourth Proportional to 929,157.48, 1,282,114.53 and 521,243.67

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Solution

The fourth proportional to 929,157.48, 1,282,114.53 and 521,243.67 is: 719,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,157.48 : 1,282,114.53 = 521,243.67 : x
  2. Step 2: Convert to fraction form
    929,157.48/1,282,114.53 = 521,243.67/x
  3. Step 3: Cross multiply
    929,157.48x = 1,282,114.53 × 521,243.67
  4. Step 4: Simplify right side
    929,157.48x = 668,294,082,977.53
  5. Step 5: Solve for x
    x = 668,294,082,977.53/929,157.48
  6. Step 6: Final answer
    x = 719,247.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.