Home / 757,533.86-1,136,481.21-284,223.32

Finding the Fourth Proportional to 757,533.86, 1,136,481.21 and 284,223.32

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Solution

The fourth proportional to 757,533.86, 1,136,481.21 and 284,223.32 is: 426,402.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,533.86 : 1,136,481.21 = 284,223.32 : x
  2. Step 2: Convert to fraction form
    757,533.86/1,136,481.21 = 284,223.32/x
  3. Step 3: Cross multiply
    757,533.86x = 1,136,481.21 × 284,223.32
  4. Step 4: Simplify right side
    757,533.86x = 323,014,460,138.15
  5. Step 5: Solve for x
    x = 323,014,460,138.15/757,533.86
  6. Step 6: Final answer
    x = 426,402.67

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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.