Home / 989,474.67-1,365,477.68-536,765.67

Finding the Fourth Proportional to 989,474.67, 1,365,477.68 and 536,765.67

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Solution

The fourth proportional to 989,474.67, 1,365,477.68 and 536,765.67 is: 740,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,474.67 : 1,365,477.68 = 536,765.67 : x
  2. Step 2: Convert to fraction form
    989,474.67/1,365,477.68 = 536,765.67/x
  3. Step 3: Cross multiply
    989,474.67x = 1,365,477.68 × 536,765.67
  4. Step 4: Simplify right side
    989,474.67x = 732,941,539,091.42
  5. Step 5: Solve for x
    x = 732,941,539,091.42/989,474.67
  6. Step 6: Final answer
    x = 740,738.05

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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.