Home / 746,362.60-1,118,880.88-290,848.38

Finding the Fourth Proportional to 746,362.60, 1,118,880.88 and 290,848.38

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Solution

The fourth proportional to 746,362.60, 1,118,880.88 and 290,848.38 is: 436,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,362.60 : 1,118,880.88 = 290,848.38 : x
  2. Step 2: Convert to fraction form
    746,362.60/1,118,880.88 = 290,848.38/x
  3. Step 3: Cross multiply
    746,362.60x = 1,118,880.88 × 290,848.38
  4. Step 4: Simplify right side
    746,362.60x = 325,424,691,360.97
  5. Step 5: Solve for x
    x = 325,424,691,360.97/746,362.60
  6. Step 6: Final answer
    x = 436,014.20

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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.