Home / 696,428.53-1,044,938.04-380,516.38

Finding the Fourth Proportional to 696,428.53, 1,044,938.04 and 380,516.38

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Solution

The fourth proportional to 696,428.53, 1,044,938.04 and 380,516.38 is: 570,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,428.53 : 1,044,938.04 = 380,516.38 : x
  2. Step 2: Convert to fraction form
    696,428.53/1,044,938.04 = 380,516.38/x
  3. Step 3: Cross multiply
    696,428.53x = 1,044,938.04 × 380,516.38
  4. Step 4: Simplify right side
    696,428.53x = 397,616,036,265.81
  5. Step 5: Solve for x
    x = 397,616,036,265.81/696,428.53
  6. Step 6: Final answer
    x = 570,935.88

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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.