Home / 895,239.64-1,342,847.16-389,789.77

Finding the Fourth Proportional to 895,239.64, 1,342,847.16 and 389,789.77

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Solution

The fourth proportional to 895,239.64, 1,342,847.16 and 389,789.77 is: 584,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,239.64 : 1,342,847.16 = 389,789.77 : x
  2. Step 2: Convert to fraction form
    895,239.64/1,342,847.16 = 389,789.77/x
  3. Step 3: Cross multiply
    895,239.64x = 1,342,847.16 × 389,789.77
  4. Step 4: Simplify right side
    895,239.64x = 523,428,084,802.27
  5. Step 5: Solve for x
    x = 523,428,084,802.27/895,239.64
  6. Step 6: Final answer
    x = 584,679.30

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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.