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Finding the Fourth Proportional to 534,314.98, 736,594.86 and 330,250.57

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Solution

The fourth proportional to 534,314.98, 736,594.86 and 330,250.57 is: 455,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,314.98 : 736,594.86 = 330,250.57 : x
  2. Step 2: Convert to fraction form
    534,314.98/736,594.86 = 330,250.57/x
  3. Step 3: Cross multiply
    534,314.98x = 736,594.86 × 330,250.57
  4. Step 4: Simplify right side
    534,314.98x = 243,260,872,374.07
  5. Step 5: Solve for x
    x = 243,260,872,374.07/534,314.98
  6. Step 6: Final answer
    x = 455,276.16

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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.