Home / 938,617.65-1,407,091.48-339,445.60

Finding the Fourth Proportional to 938,617.65, 1,407,091.48 and 339,445.60

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Solution

The fourth proportional to 938,617.65, 1,407,091.48 and 339,445.60 is: 508,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,617.65 : 1,407,091.48 = 339,445.60 : x
  2. Step 2: Convert to fraction form
    938,617.65/1,407,091.48 = 339,445.60/x
  3. Step 3: Cross multiply
    938,617.65x = 1,407,091.48 × 339,445.60
  4. Step 4: Simplify right side
    938,617.65x = 477,631,007,317.15
  5. Step 5: Solve for x
    x = 477,631,007,317.15/938,617.65
  6. Step 6: Final answer
    x = 508,866.42

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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.