Home / 628,690.86-942,507.30-273,437.31

Finding the Fourth Proportional to 628,690.86, 942,507.30 and 273,437.31

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Solution

The fourth proportional to 628,690.86, 942,507.30 and 273,437.31 is: 409,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,690.86 : 942,507.30 = 273,437.31 : x
  2. Step 2: Convert to fraction form
    628,690.86/942,507.30 = 273,437.31/x
  3. Step 3: Cross multiply
    628,690.86x = 942,507.30 × 273,437.31
  4. Step 4: Simplify right side
    628,690.86x = 257,716,660,767.36
  5. Step 5: Solve for x
    x = 257,716,660,767.36/628,690.86
  6. Step 6: Final answer
    x = 409,925.89

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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.