Home / 683,277.40-1,025,207.70-328,108.60

Finding the Fourth Proportional to 683,277.40, 1,025,207.70 and 328,108.60

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Solution

The fourth proportional to 683,277.40, 1,025,207.70 and 328,108.60 is: 492,302.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,277.40 : 1,025,207.70 = 328,108.60 : x
  2. Step 2: Convert to fraction form
    683,277.40/1,025,207.70 = 328,108.60/x
  3. Step 3: Cross multiply
    683,277.40x = 1,025,207.70 × 328,108.60
  4. Step 4: Simplify right side
    683,277.40x = 336,379,463,156.22
  5. Step 5: Solve for x
    x = 336,379,463,156.22/683,277.40
  6. Step 6: Final answer
    x = 492,302.93

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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.