Home / 905,047.48-1,357,574.46-306,013.60

Finding the Fourth Proportional to 905,047.48, 1,357,574.46 and 306,013.60

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Solution

The fourth proportional to 905,047.48, 1,357,574.46 and 306,013.60 is: 459,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,047.48 : 1,357,574.46 = 306,013.60 : x
  2. Step 2: Convert to fraction form
    905,047.48/1,357,574.46 = 306,013.60/x
  3. Step 3: Cross multiply
    905,047.48x = 1,357,574.46 × 306,013.60
  4. Step 4: Simplify right side
    905,047.48x = 415,436,247,772.66
  5. Step 5: Solve for x
    x = 415,436,247,772.66/905,047.48
  6. Step 6: Final answer
    x = 459,021.50

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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.