Home / 689,188.85-950,941.24-402,653.57

Finding the Fourth Proportional to 689,188.85, 950,941.24 and 402,653.57

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Solution

The fourth proportional to 689,188.85, 950,941.24 and 402,653.57 is: 555,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,188.85 : 950,941.24 = 402,653.57 : x
  2. Step 2: Convert to fraction form
    689,188.85/950,941.24 = 402,653.57/x
  3. Step 3: Cross multiply
    689,188.85x = 950,941.24 × 402,653.57
  4. Step 4: Simplify right side
    689,188.85x = 382,899,886,516.95
  5. Step 5: Solve for x
    x = 382,899,886,516.95/689,188.85
  6. Step 6: Final answer
    x = 555,580.50

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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.