Home / 688,380.26-1,030,733.30-403,836.98

Finding the Fourth Proportional to 688,380.26, 1,030,733.30 and 403,836.98

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Solution

The fourth proportional to 688,380.26, 1,030,733.30 and 403,836.98 is: 604,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,380.26 : 1,030,733.30 = 403,836.98 : x
  2. Step 2: Convert to fraction form
    688,380.26/1,030,733.30 = 403,836.98/x
  3. Step 3: Cross multiply
    688,380.26x = 1,030,733.30 × 403,836.98
  4. Step 4: Simplify right side
    688,380.26x = 416,248,223,057.43
  5. Step 5: Solve for x
    x = 416,248,223,057.43/688,380.26
  6. Step 6: Final answer
    x = 604,677.74

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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.