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Finding the Fourth Proportional to 606,843.67, 837,415.89 and 348,538.93

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Solution

The fourth proportional to 606,843.67, 837,415.89 and 348,538.93 is: 480,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,843.67 : 837,415.89 = 348,538.93 : x
  2. Step 2: Convert to fraction form
    606,843.67/837,415.89 = 348,538.93/x
  3. Step 3: Cross multiply
    606,843.67x = 837,415.89 × 348,538.93
  4. Step 4: Simplify right side
    606,843.67x = 291,872,038,265.60
  5. Step 5: Solve for x
    x = 291,872,038,265.60/606,843.67
  6. Step 6: Final answer
    x = 480,967.43

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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.