Home / 950,630.42-1,311,379.28-644,603.24

Finding the Fourth Proportional to 950,630.42, 1,311,379.28 and 644,603.24

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Solution

The fourth proportional to 950,630.42, 1,311,379.28 and 644,603.24 is: 889,219.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,630.42 : 1,311,379.28 = 644,603.24 : x
  2. Step 2: Convert to fraction form
    950,630.42/1,311,379.28 = 644,603.24/x
  3. Step 3: Cross multiply
    950,630.42x = 1,311,379.28 × 644,603.24
  4. Step 4: Simplify right side
    950,630.42x = 845,319,332,756.87
  5. Step 5: Solve for x
    x = 845,319,332,756.87/950,630.42
  6. Step 6: Final answer
    x = 889,219.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.