Home / 729,242.10-1,091,953.71-586,327.86

Finding the Fourth Proportional to 729,242.10, 1,091,953.71 and 586,327.86

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Solution

The fourth proportional to 729,242.10, 1,091,953.71 and 586,327.86 is: 877,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,242.10 : 1,091,953.71 = 586,327.86 : x
  2. Step 2: Convert to fraction form
    729,242.10/1,091,953.71 = 586,327.86/x
  3. Step 3: Cross multiply
    729,242.10x = 1,091,953.71 × 586,327.86
  4. Step 4: Simplify right side
    729,242.10x = 640,242,882,003.36
  5. Step 5: Solve for x
    x = 640,242,882,003.36/729,242.10
  6. Step 6: Final answer
    x = 877,956.56

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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.