Home / 746,097.03-1,118,268.90-345,895.47

Finding the Fourth Proportional to 746,097.03, 1,118,268.90 and 345,895.47

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Solution

The fourth proportional to 746,097.03, 1,118,268.90 and 345,895.47 is: 518,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,097.03 : 1,118,268.90 = 345,895.47 : x
  2. Step 2: Convert to fraction form
    746,097.03/1,118,268.90 = 345,895.47/x
  3. Step 3: Cross multiply
    746,097.03x = 1,118,268.90 × 345,895.47
  4. Step 4: Simplify right side
    746,097.03x = 386,804,146,751.88
  5. Step 5: Solve for x
    x = 386,804,146,751.88/746,097.03
  6. Step 6: Final answer
    x = 518,436.79

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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.