Home / 690,066.23-1,035,140.67-216,751.57

Finding the Fourth Proportional to 690,066.23, 1,035,140.67 and 216,751.57

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Solution

The fourth proportional to 690,066.23, 1,035,140.67 and 216,751.57 is: 325,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,066.23 : 1,035,140.67 = 216,751.57 : x
  2. Step 2: Convert to fraction form
    690,066.23/1,035,140.67 = 216,751.57/x
  3. Step 3: Cross multiply
    690,066.23x = 1,035,140.67 × 216,751.57
  4. Step 4: Simplify right side
    690,066.23x = 224,368,362,805.50
  5. Step 5: Solve for x
    x = 224,368,362,805.50/690,066.23
  6. Step 6: Final answer
    x = 325,140.33

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