Home / 875,436.60-1,312,377.30-520,073.40

Finding the Fourth Proportional to 875,436.60, 1,312,377.30 and 520,073.40

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Solution

The fourth proportional to 875,436.60, 1,312,377.30 and 520,073.40 is: 779,648.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,436.60 : 1,312,377.30 = 520,073.40 : x
  2. Step 2: Convert to fraction form
    875,436.60/1,312,377.30 = 520,073.40/x
  3. Step 3: Cross multiply
    875,436.60x = 1,312,377.30 × 520,073.40
  4. Step 4: Simplify right side
    875,436.60x = 682,532,524,493.82
  5. Step 5: Solve for x
    x = 682,532,524,493.82/875,436.60
  6. Step 6: Final answer
    x = 779,648.15

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