Home / 426,045.36-587,522.60-330,517.20

Finding the Fourth Proportional to 426,045.36, 587,522.60 and 330,517.20

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Solution

The fourth proportional to 426,045.36, 587,522.60 and 330,517.20 is: 455,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,045.36 : 587,522.60 = 330,517.20 : x
  2. Step 2: Convert to fraction form
    426,045.36/587,522.60 = 330,517.20/x
  3. Step 3: Cross multiply
    426,045.36x = 587,522.60 × 330,517.20
  4. Step 4: Simplify right side
    426,045.36x = 194,186,324,688.72
  5. Step 5: Solve for x
    x = 194,186,324,688.72/426,045.36
  6. Step 6: Final answer
    x = 455,787.91

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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.