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Finding the Fourth Proportional to 551,317.29, 760,900.14 and 336,581.84

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Solution

The fourth proportional to 551,317.29, 760,900.14 and 336,581.84 is: 464,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,317.29 : 760,900.14 = 336,581.84 : x
  2. Step 2: Convert to fraction form
    551,317.29/760,900.14 = 336,581.84/x
  3. Step 3: Cross multiply
    551,317.29x = 760,900.14 × 336,581.84
  4. Step 4: Simplify right side
    551,317.29x = 256,105,165,372.96
  5. Step 5: Solve for x
    x = 256,105,165,372.96/551,317.29
  6. Step 6: Final answer
    x = 464,533.16

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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.