Home / 771,743.45-1,157,615.64-322,219.37

Finding the Fourth Proportional to 771,743.45, 1,157,615.64 and 322,219.37

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Solution

The fourth proportional to 771,743.45, 1,157,615.64 and 322,219.37 is: 483,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,743.45 : 1,157,615.64 = 322,219.37 : x
  2. Step 2: Convert to fraction form
    771,743.45/1,157,615.64 = 322,219.37/x
  3. Step 3: Cross multiply
    771,743.45x = 1,157,615.64 × 322,219.37
  4. Step 4: Simplify right side
    771,743.45x = 373,006,176,434.87
  5. Step 5: Solve for x
    x = 373,006,176,434.87/771,743.45
  6. Step 6: Final answer
    x = 483,329.24

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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.