Home / 848,364.78-1,170,673.77-499,449.79

Finding the Fourth Proportional to 848,364.78, 1,170,673.77 and 499,449.79

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Solution

The fourth proportional to 848,364.78, 1,170,673.77 and 499,449.79 is: 689,199.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,364.78 : 1,170,673.77 = 499,449.79 : x
  2. Step 2: Convert to fraction form
    848,364.78/1,170,673.77 = 499,449.79/x
  3. Step 3: Cross multiply
    848,364.78x = 1,170,673.77 × 499,449.79
  4. Step 4: Simplify right side
    848,364.78x = 584,692,768,585.01
  5. Step 5: Solve for x
    x = 584,692,768,585.01/848,364.78
  6. Step 6: Final answer
    x = 689,199.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.