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Finding the Fourth Proportional to 802,364.76, 1,107,376.77 and 496,539.64

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Solution

The fourth proportional to 802,364.76, 1,107,376.77 and 496,539.64 is: 685,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,364.76 : 1,107,376.77 = 496,539.64 : x
  2. Step 2: Convert to fraction form
    802,364.76/1,107,376.77 = 496,539.64/x
  3. Step 3: Cross multiply
    802,364.76x = 1,107,376.77 × 496,539.64
  4. Step 4: Simplify right side
    802,364.76x = 549,856,462,720.16
  5. Step 5: Solve for x
    x = 549,856,462,720.16/802,364.76
  6. Step 6: Final answer
    x = 685,294.88

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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.