Home / 488,920.10-731,630.55-446,929.70

Finding the Fourth Proportional to 488,920.10, 731,630.55 and 446,929.70

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Solution

The fourth proportional to 488,920.10, 731,630.55 and 446,929.70 is: 668,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,920.10 : 731,630.55 = 446,929.70 : x
  2. Step 2: Convert to fraction form
    488,920.10/731,630.55 = 446,929.70/x
  3. Step 3: Cross multiply
    488,920.10x = 731,630.55 × 446,929.70
  4. Step 4: Simplify right side
    488,920.10x = 326,987,422,222.34
  5. Step 5: Solve for x
    x = 326,987,422,222.34/488,920.10
  6. Step 6: Final answer
    x = 668,795.21

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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.