Home / 670,745.81-1,004,937.69-630,789.32

Finding the Fourth Proportional to 670,745.81, 1,004,937.69 and 630,789.32

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Solution

The fourth proportional to 670,745.81, 1,004,937.69 and 630,789.32 is: 945,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,745.81 : 1,004,937.69 = 630,789.32 : x
  2. Step 2: Convert to fraction form
    670,745.81/1,004,937.69 = 630,789.32/x
  3. Step 3: Cross multiply
    670,745.81x = 1,004,937.69 × 630,789.32
  4. Step 4: Simplify right side
    670,745.81x = 633,903,962,117.47
  5. Step 5: Solve for x
    x = 633,903,962,117.47/670,745.81
  6. Step 6: Final answer
    x = 945,073.31

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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.