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Finding the Fourth Proportional to 707,326.36, 976,110.48 and 385,038.86

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Solution

The fourth proportional to 707,326.36, 976,110.48 and 385,038.86 is: 531,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,326.36 : 976,110.48 = 385,038.86 : x
  2. Step 2: Convert to fraction form
    707,326.36/976,110.48 = 385,038.86/x
  3. Step 3: Cross multiply
    707,326.36x = 976,110.48 × 385,038.86
  4. Step 4: Simplify right side
    707,326.36x = 375,840,468,893.53
  5. Step 5: Solve for x
    x = 375,840,468,893.53/707,326.36
  6. Step 6: Final answer
    x = 531,353.69

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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.