Home / 776,670.18-1,165,138.11-355,982.10

Finding the Fourth Proportional to 776,670.18, 1,165,138.11 and 355,982.10

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Solution

The fourth proportional to 776,670.18, 1,165,138.11 and 355,982.10 is: 534,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,670.18 : 1,165,138.11 = 355,982.10 : x
  2. Step 2: Convert to fraction form
    776,670.18/1,165,138.11 = 355,982.10/x
  3. Step 3: Cross multiply
    776,670.18x = 1,165,138.11 × 355,982.10
  4. Step 4: Simplify right side
    776,670.18x = 414,768,311,187.83
  5. Step 5: Solve for x
    x = 414,768,311,187.83/776,670.18
  6. Step 6: Final answer
    x = 534,034.04

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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.