Home / 456,415.20-683,310.60-403,927.20

Finding the Fourth Proportional to 456,415.20, 683,310.60 and 403,927.20

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Solution

The fourth proportional to 456,415.20, 683,310.60 and 403,927.20 is: 604,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,415.20 : 683,310.60 = 403,927.20 : x
  2. Step 2: Convert to fraction form
    456,415.20/683,310.60 = 403,927.20/x
  3. Step 3: Cross multiply
    456,415.20x = 683,310.60 × 403,927.20
  4. Step 4: Simplify right side
    456,415.20x = 276,007,737,388.32
  5. Step 5: Solve for x
    x = 276,007,737,388.32/456,415.20
  6. Step 6: Final answer
    x = 604,729.50

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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.