Home / 918,874.73-1,267,861.31-536,827.70

Finding the Fourth Proportional to 918,874.73, 1,267,861.31 and 536,827.70

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Solution

The fourth proportional to 918,874.73, 1,267,861.31 and 536,827.70 is: 740,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,874.73 : 1,267,861.31 = 536,827.70 : x
  2. Step 2: Convert to fraction form
    918,874.73/1,267,861.31 = 536,827.70/x
  3. Step 3: Cross multiply
    918,874.73x = 1,267,861.31 × 536,827.70
  4. Step 4: Simplify right side
    918,874.73x = 680,623,073,464.91
  5. Step 5: Solve for x
    x = 680,623,073,464.91/918,874.73
  6. Step 6: Final answer
    x = 740,713.67

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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.