Home / 988,875.60-1,483,313.40-240,921.60

Finding the Fourth Proportional to 988,875.60, 1,483,313.40 and 240,921.60

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Solution

The fourth proportional to 988,875.60, 1,483,313.40 and 240,921.60 is: 361,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,875.60 : 1,483,313.40 = 240,921.60 : x
  2. Step 2: Convert to fraction form
    988,875.60/1,483,313.40 = 240,921.60/x
  3. Step 3: Cross multiply
    988,875.60x = 1,483,313.40 × 240,921.60
  4. Step 4: Simplify right side
    988,875.60x = 357,362,237,629.44
  5. Step 5: Solve for x
    x = 357,362,237,629.44/988,875.60
  6. Step 6: Final answer
    x = 361,382.40

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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.