Home / 853,486.04-1,280,573.32-379,847.46

Finding the Fourth Proportional to 853,486.04, 1,280,573.32 and 379,847.46

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Solution

The fourth proportional to 853,486.04, 1,280,573.32 and 379,847.46 is: 569,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,486.04 : 1,280,573.32 = 379,847.46 : x
  2. Step 2: Convert to fraction form
    853,486.04/1,280,573.32 = 379,847.46/x
  3. Step 3: Cross multiply
    853,486.04x = 1,280,573.32 × 379,847.46
  4. Step 4: Simplify right side
    853,486.04x = 486,422,522,945.77
  5. Step 5: Solve for x
    x = 486,422,522,945.77/853,486.04
  6. Step 6: Final answer
    x = 569,924.40

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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.