Home / 895,393.78-1,342,634.55-440,015.38

Finding the Fourth Proportional to 895,393.78, 1,342,634.55 and 440,015.38

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Solution

The fourth proportional to 895,393.78, 1,342,634.55 and 440,015.38 is: 659,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,393.78 : 1,342,634.55 = 440,015.38 : x
  2. Step 2: Convert to fraction form
    895,393.78/1,342,634.55 = 440,015.38/x
  3. Step 3: Cross multiply
    895,393.78x = 1,342,634.55 × 440,015.38
  4. Step 4: Simplify right side
    895,393.78x = 590,779,851,719.38
  5. Step 5: Solve for x
    x = 590,779,851,719.38/895,393.78
  6. Step 6: Final answer
    x = 659,798.92

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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.