Home / 631,263.40-946,434.30-257,093.80

Finding the Fourth Proportional to 631,263.40, 946,434.30 and 257,093.80

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Solution

The fourth proportional to 631,263.40, 946,434.30 and 257,093.80 is: 385,453.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,263.40 : 946,434.30 = 257,093.80 : x
  2. Step 2: Convert to fraction form
    631,263.40/946,434.30 = 257,093.80/x
  3. Step 3: Cross multiply
    631,263.40x = 946,434.30 × 257,093.80
  4. Step 4: Simplify right side
    631,263.40x = 243,322,390,637.34
  5. Step 5: Solve for x
    x = 243,322,390,637.34/631,263.40
  6. Step 6: Final answer
    x = 385,453.03

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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.