Home / 776,730.72-1,164,554.58-344,212.64

Finding the Fourth Proportional to 776,730.72, 1,164,554.58 and 344,212.64

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Solution

The fourth proportional to 776,730.72, 1,164,554.58 and 344,212.64 is: 516,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,730.72 : 1,164,554.58 = 344,212.64 : x
  2. Step 2: Convert to fraction form
    776,730.72/1,164,554.58 = 344,212.64/x
  3. Step 3: Cross multiply
    776,730.72x = 1,164,554.58 × 344,212.64
  4. Step 4: Simplify right side
    776,730.72x = 400,854,406,405.89
  5. Step 5: Solve for x
    x = 400,854,406,405.89/776,730.72
  6. Step 6: Final answer
    x = 516,078.99

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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.