Home / 989,132.40-1,483,698.60-740,300.40

Finding the Fourth Proportional to 989,132.40, 1,483,698.60 and 740,300.40

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Solution

The fourth proportional to 989,132.40, 1,483,698.60 and 740,300.40 is: 1,110,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,132.40 : 1,483,698.60 = 740,300.40 : x
  2. Step 2: Convert to fraction form
    989,132.40/1,483,698.60 = 740,300.40/x
  3. Step 3: Cross multiply
    989,132.40x = 1,483,698.60 × 740,300.40
  4. Step 4: Simplify right side
    989,132.40x = 1,098,382,667,059.44
  5. Step 5: Solve for x
    x = 1,098,382,667,059.44/989,132.40
  6. Step 6: Final answer
    x = 1,110,450.60

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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.