Home / 690,896.77-1,035,082.16-500,886.57

Finding the Fourth Proportional to 690,896.77, 1,035,082.16 and 500,886.57

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Solution

The fourth proportional to 690,896.77, 1,035,082.16 and 500,886.57 is: 750,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,896.77 : 1,035,082.16 = 500,886.57 : x
  2. Step 2: Convert to fraction form
    690,896.77/1,035,082.16 = 500,886.57/x
  3. Step 3: Cross multiply
    690,896.77x = 1,035,082.16 × 500,886.57
  4. Step 4: Simplify right side
    690,896.77x = 518,458,745,110.75
  5. Step 5: Solve for x
    x = 518,458,745,110.75/690,896.77
  6. Step 6: Final answer
    x = 750,414.20

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Why These Related Problems?

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