Home / 683,292.40-1,025,230.20-328,123.60

Finding the Fourth Proportional to 683,292.40, 1,025,230.20 and 328,123.60

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Solution

The fourth proportional to 683,292.40, 1,025,230.20 and 328,123.60 is: 492,325.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,292.40 : 1,025,230.20 = 328,123.60 : x
  2. Step 2: Convert to fraction form
    683,292.40/1,025,230.20 = 328,123.60/x
  3. Step 3: Cross multiply
    683,292.40x = 1,025,230.20 × 328,123.60
  4. Step 4: Simplify right side
    683,292.40x = 336,402,224,052.72
  5. Step 5: Solve for x
    x = 336,402,224,052.72/683,292.40
  6. Step 6: Final answer
    x = 492,325.43

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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.