Home / 895,391.78-1,342,631.55-440,013.38

Finding the Fourth Proportional to 895,391.78, 1,342,631.55 and 440,013.38

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Solution

The fourth proportional to 895,391.78, 1,342,631.55 and 440,013.38 is: 659,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,391.78 : 1,342,631.55 = 440,013.38 : x
  2. Step 2: Convert to fraction form
    895,391.78/1,342,631.55 = 440,013.38/x
  3. Step 3: Cross multiply
    895,391.78x = 1,342,631.55 × 440,013.38
  4. Step 4: Simplify right side
    895,391.78x = 590,775,846,410.14
  5. Step 5: Solve for x
    x = 590,775,846,410.14/895,391.78
  6. Step 6: Final answer
    x = 659,795.92

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1.5x scale

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.