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Finding the Fourth Proportional to 677,103, 934,402.28 and 375,297

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Solution

The fourth proportional to 677,103, 934,402.28 and 375,297 is: 517,909.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,103 : 934,402.28 = 375,297 : x
  2. Step 2: Convert to fraction form
    677,103/934,402.28 = 375,297/x
  3. Step 3: Cross multiply
    677,103x = 934,402.28 × 375,297
  4. Step 4: Simplify right side
    677,103x = 350,678,372,477.16
  5. Step 5: Solve for x
    x = 350,678,372,477.16/677,103
  6. Step 6: Final answer
    x = 517,909.94

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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.