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Finding the Fourth Proportional to 605,312.42, 835,269.32 and 372,702.42

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Solution

The fourth proportional to 605,312.42, 835,269.32 and 372,702.42 is: 514,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,312.42 : 835,269.32 = 372,702.42 : x
  2. Step 2: Convert to fraction form
    605,312.42/835,269.32 = 372,702.42/x
  3. Step 3: Cross multiply
    605,312.42x = 835,269.32 × 372,702.42
  4. Step 4: Simplify right side
    605,312.42x = 311,306,895,052.24
  5. Step 5: Solve for x
    x = 311,306,895,052.24/605,312.42
  6. Step 6: Final answer
    x = 514,291.28

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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.