Home / 902,620.40-1,353,602.55-303,601.10

Finding the Fourth Proportional to 902,620.40, 1,353,602.55 and 303,601.10

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Solution

The fourth proportional to 902,620.40, 1,353,602.55 and 303,601.10 is: 455,291.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,620.40 : 1,353,602.55 = 303,601.10 : x
  2. Step 2: Convert to fraction form
    902,620.40/1,353,602.55 = 303,601.10/x
  3. Step 3: Cross multiply
    902,620.40x = 1,353,602.55 × 303,601.10
  4. Step 4: Simplify right side
    902,620.40x = 410,955,223,142.81
  5. Step 5: Solve for x
    x = 410,955,223,142.81/902,620.40
  6. Step 6: Final answer
    x = 455,291.31

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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.