Home / 1,077,627.12-1,616,440.68-478,447.44

Finding the Fourth Proportional to 1,077,627.12, 1,616,440.68 and 478,447.44

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Solution

The fourth proportional to 1,077,627.12, 1,616,440.68 and 478,447.44 is: 717,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,627.12 : 1,616,440.68 = 478,447.44 : x
  2. Step 2: Convert to fraction form
    1,077,627.12/1,616,440.68 = 478,447.44/x
  3. Step 3: Cross multiply
    1,077,627.12x = 1,616,440.68 × 478,447.44
  4. Step 4: Simplify right side
    1,077,627.12x = 773,381,905,257.86
  5. Step 5: Solve for x
    x = 773,381,905,257.86/1,077,627.12
  6. Step 6: Final answer
    x = 717,671.16

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1.5x scale

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.