Home / 771,522.57-1,157,360.40-322,383.85

Finding the Fourth Proportional to 771,522.57, 1,157,360.40 and 322,383.85

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Solution

The fourth proportional to 771,522.57, 1,157,360.40 and 322,383.85 is: 483,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,522.57 : 1,157,360.40 = 322,383.85 : x
  2. Step 2: Convert to fraction form
    771,522.57/1,157,360.40 = 322,383.85/x
  3. Step 3: Cross multiply
    771,522.57x = 1,157,360.40 × 322,383.85
  4. Step 4: Simplify right side
    771,522.57x = 373,114,298,696.14
  5. Step 5: Solve for x
    x = 373,114,298,696.14/771,522.57
  6. Step 6: Final answer
    x = 483,607.76

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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.