Home / 834,500.83-1,252,265.19-328,975.78

Finding the Fourth Proportional to 834,500.83, 1,252,265.19 and 328,975.78

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Solution

The fourth proportional to 834,500.83, 1,252,265.19 and 328,975.78 is: 493,666.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,500.83 : 1,252,265.19 = 328,975.78 : x
  2. Step 2: Convert to fraction form
    834,500.83/1,252,265.19 = 328,975.78/x
  3. Step 3: Cross multiply
    834,500.83x = 1,252,265.19 × 328,975.78
  4. Step 4: Simplify right side
    834,500.83x = 411,964,911,385.77
  5. Step 5: Solve for x
    x = 411,964,911,385.77/834,500.83
  6. Step 6: Final answer
    x = 493,666.27

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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.