Home / 751,344.60-1,127,386.74-351,916.32

Finding the Fourth Proportional to 751,344.60, 1,127,386.74 and 351,916.32

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Solution

The fourth proportional to 751,344.60, 1,127,386.74 and 351,916.32 is: 528,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,344.60 : 1,127,386.74 = 351,916.32 : x
  2. Step 2: Convert to fraction form
    751,344.60/1,127,386.74 = 351,916.32/x
  3. Step 3: Cross multiply
    751,344.60x = 1,127,386.74 × 351,916.32
  4. Step 4: Simplify right side
    751,344.60x = 396,745,792,757.60
  5. Step 5: Solve for x
    x = 396,745,792,757.60/751,344.60
  6. Step 6: Final answer
    x = 528,047.71

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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.