Home / 779,660.96-1,167,388.74-509,118.93

Finding the Fourth Proportional to 779,660.96, 1,167,388.74 and 509,118.93

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Solution

The fourth proportional to 779,660.96, 1,167,388.74 and 509,118.93 is: 762,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,660.96 : 1,167,388.74 = 509,118.93 : x
  2. Step 2: Convert to fraction form
    779,660.96/1,167,388.74 = 509,118.93/x
  3. Step 3: Cross multiply
    779,660.96x = 1,167,388.74 × 509,118.93
  4. Step 4: Simplify right side
    779,660.96x = 594,339,706,202.85
  5. Step 5: Solve for x
    x = 594,339,706,202.85/779,660.96
  6. Step 6: Final answer
    x = 762,305.34

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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.