Home / 771,480.77-1,156,896.54-291,627.86

Finding the Fourth Proportional to 771,480.77, 1,156,896.54 and 291,627.86

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Solution

The fourth proportional to 771,480.77, 1,156,896.54 and 291,627.86 is: 437,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,480.77 : 1,156,896.54 = 291,627.86 : x
  2. Step 2: Convert to fraction form
    771,480.77/1,156,896.54 = 291,627.86/x
  3. Step 3: Cross multiply
    771,480.77x = 1,156,896.54 × 291,627.86
  4. Step 4: Simplify right side
    771,480.77x = 337,383,256,417.12
  5. Step 5: Solve for x
    x = 337,383,256,417.12/771,480.77
  6. Step 6: Final answer
    x = 437,319.08

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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.