Home / 895,390.78-1,342,630.05-440,012.38

Finding the Fourth Proportional to 895,390.78, 1,342,630.05 and 440,012.38

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Solution

The fourth proportional to 895,390.78, 1,342,630.05 and 440,012.38 is: 659,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,390.78 : 1,342,630.05 = 440,012.38 : x
  2. Step 2: Convert to fraction form
    895,390.78/1,342,630.05 = 440,012.38/x
  3. Step 3: Cross multiply
    895,390.78x = 1,342,630.05 × 440,012.38
  4. Step 4: Simplify right side
    895,390.78x = 590,773,843,760.02
  5. Step 5: Solve for x
    x = 590,773,843,760.02/895,390.78
  6. Step 6: Final answer
    x = 659,794.42

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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.