Home / 1,019,148.90-1,528,334.55-308,940.90

Finding the Fourth Proportional to 1,019,148.90, 1,528,334.55 and 308,940.90

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Solution

The fourth proportional to 1,019,148.90, 1,528,334.55 and 308,940.90 is: 463,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,148.90 : 1,528,334.55 = 308,940.90 : x
  2. Step 2: Convert to fraction form
    1,019,148.90/1,528,334.55 = 308,940.90/x
  3. Step 3: Cross multiply
    1,019,148.90x = 1,528,334.55 × 308,940.90
  4. Step 4: Simplify right side
    1,019,148.90x = 472,165,051,378.10
  5. Step 5: Solve for x
    x = 472,165,051,378.10/1,019,148.90
  6. Step 6: Final answer
    x = 463,293.49

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Double scale
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Similar ratio
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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.