Home / 688,043.98-1,030,494.67-328,467.77

Finding the Fourth Proportional to 688,043.98, 1,030,494.67 and 328,467.77

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Solution

The fourth proportional to 688,043.98, 1,030,494.67 and 328,467.77 is: 491,951.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,043.98 : 1,030,494.67 = 328,467.77 : x
  2. Step 2: Convert to fraction form
    688,043.98/1,030,494.67 = 328,467.77/x
  3. Step 3: Cross multiply
    688,043.98x = 1,030,494.67 × 328,467.77
  4. Step 4: Simplify right side
    688,043.98x = 338,484,280,278.14
  5. Step 5: Solve for x
    x = 338,484,280,278.14/688,043.98
  6. Step 6: Final answer
    x = 491,951.52

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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.