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Finding the Fourth Proportional to 788,843.86, 1,184,315.86 and 533,534.09

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Solution

The fourth proportional to 788,843.86, 1,184,315.86 and 533,534.09 is: 801,011.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,843.86 : 1,184,315.86 = 533,534.09 : x
  2. Step 2: Convert to fraction form
    788,843.86/1,184,315.86 = 533,534.09/x
  3. Step 3: Cross multiply
    788,843.86x = 1,184,315.86 × 533,534.09
  4. Step 4: Simplify right side
    788,843.86x = 631,872,879,009.21
  5. Step 5: Solve for x
    x = 631,872,879,009.21/788,843.86
  6. Step 6: Final answer
    x = 801,011.34

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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.