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Finding the Fourth Proportional to 605,312.67, 835,269.66 and 372,702.67

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Solution

The fourth proportional to 605,312.67, 835,269.66 and 372,702.67 is: 514,291.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,312.67 : 835,269.66 = 372,702.67 : x
  2. Step 2: Convert to fraction form
    605,312.67/835,269.66 = 372,702.67/x
  3. Step 3: Cross multiply
    605,312.67x = 835,269.66 × 372,702.67
  4. Step 4: Simplify right side
    605,312.67x = 311,307,232,451.99
  5. Step 5: Solve for x
    x = 311,307,232,451.99/605,312.67
  6. Step 6: Final answer
    x = 514,291.62

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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.