Home / 628,853.20-943,279.80-313,925.20

Finding the Fourth Proportional to 628,853.20, 943,279.80 and 313,925.20

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Solution

The fourth proportional to 628,853.20, 943,279.80 and 313,925.20 is: 470,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,853.20 : 943,279.80 = 313,925.20 : x
  2. Step 2: Convert to fraction form
    628,853.20/943,279.80 = 313,925.20/x
  3. Step 3: Cross multiply
    628,853.20x = 943,279.80 × 313,925.20
  4. Step 4: Simplify right side
    628,853.20x = 296,119,299,870.96
  5. Step 5: Solve for x
    x = 296,119,299,870.96/628,853.20
  6. Step 6: Final answer
    x = 470,887.80

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