Home / 456,435.20-683,340.60-403,947.20

Finding the Fourth Proportional to 456,435.20, 683,340.60 and 403,947.20

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Solution

The fourth proportional to 456,435.20, 683,340.60 and 403,947.20 is: 604,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,435.20 : 683,340.60 = 403,947.20 : x
  2. Step 2: Convert to fraction form
    456,435.20/683,340.60 = 403,947.20/x
  3. Step 3: Cross multiply
    456,435.20x = 683,340.60 × 403,947.20
  4. Step 4: Simplify right side
    456,435.20x = 276,033,522,016.32
  5. Step 5: Solve for x
    x = 276,033,522,016.32/456,435.20
  6. Step 6: Final answer
    x = 604,759.50

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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.