Home / 763,331.64-1,143,225.72-736,760.40

Finding the Fourth Proportional to 763,331.64, 1,143,225.72 and 736,760.40

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Solution

The fourth proportional to 763,331.64, 1,143,225.72 and 736,760.40 is: 1,103,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,331.64 : 1,143,225.72 = 736,760.40 : x
  2. Step 2: Convert to fraction form
    763,331.64/1,143,225.72 = 736,760.40/x
  3. Step 3: Cross multiply
    763,331.64x = 1,143,225.72 × 736,760.40
  4. Step 4: Simplify right side
    763,331.64x = 842,283,438,757.49
  5. Step 5: Solve for x
    x = 842,283,438,757.49/763,331.64
  6. Step 6: Final answer
    x = 1,103,430.53

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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.