Home / 887,865.38-1,225,316.76-500,715.44

Finding the Fourth Proportional to 887,865.38, 1,225,316.76 and 500,715.44

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Solution

The fourth proportional to 887,865.38, 1,225,316.76 and 500,715.44 is: 691,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,865.38 : 1,225,316.76 = 500,715.44 : x
  2. Step 2: Convert to fraction form
    887,865.38/1,225,316.76 = 500,715.44/x
  3. Step 3: Cross multiply
    887,865.38x = 1,225,316.76 × 500,715.44
  4. Step 4: Simplify right side
    887,865.38x = 613,535,020,622.77
  5. Step 5: Solve for x
    x = 613,535,020,622.77/887,865.38
  6. Step 6: Final answer
    x = 691,022.57

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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.