Home / 685,846.80-1,029,612.60-433,126.80

Finding the Fourth Proportional to 685,846.80, 1,029,612.60 and 433,126.80

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Solution

The fourth proportional to 685,846.80, 1,029,612.60 and 433,126.80 is: 650,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,846.80 : 1,029,612.60 = 433,126.80 : x
  2. Step 2: Convert to fraction form
    685,846.80/1,029,612.60 = 433,126.80/x
  3. Step 3: Cross multiply
    685,846.80x = 1,029,612.60 × 433,126.80
  4. Step 4: Simplify right side
    685,846.80x = 445,952,810,677.68
  5. Step 5: Solve for x
    x = 445,952,810,677.68/685,846.80
  6. Step 6: Final answer
    x = 650,222.19

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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.