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Finding the Fourth Proportional to 434,832.10, 652,248.15 and 308,860.90

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Solution

The fourth proportional to 434,832.10, 652,248.15 and 308,860.90 is: 463,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,832.10 : 652,248.15 = 308,860.90 : x
  2. Step 2: Convert to fraction form
    434,832.10/652,248.15 = 308,860.90/x
  3. Step 3: Cross multiply
    434,832.10x = 652,248.15 × 308,860.90
  4. Step 4: Simplify right side
    434,832.10x = 201,453,950,632.34
  5. Step 5: Solve for x
    x = 201,453,950,632.34/434,832.10
  6. Step 6: Final answer
    x = 463,291.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.