Home / 895,076.88-1,342,812.60-389,718.96

Finding the Fourth Proportional to 895,076.88, 1,342,812.60 and 389,718.96

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Solution

The fourth proportional to 895,076.88, 1,342,812.60 and 389,718.96 is: 584,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,076.88 : 1,342,812.60 = 389,718.96 : x
  2. Step 2: Convert to fraction form
    895,076.88/1,342,812.60 = 389,718.96/x
  3. Step 3: Cross multiply
    895,076.88x = 1,342,812.60 × 389,718.96
  4. Step 4: Simplify right side
    895,076.88x = 523,319,529,946.90
  5. Step 5: Solve for x
    x = 523,319,529,946.90/895,076.88
  6. Step 6: Final answer
    x = 584,664.34

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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.