Home / 688,344.24-1,032,161.83-308,939.73

Finding the Fourth Proportional to 688,344.24, 1,032,161.83 and 308,939.73

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Solution

The fourth proportional to 688,344.24, 1,032,161.83 and 308,939.73 is: 463,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,344.24 : 1,032,161.83 = 308,939.73 : x
  2. Step 2: Convert to fraction form
    688,344.24/1,032,161.83 = 308,939.73/x
  3. Step 3: Cross multiply
    688,344.24x = 1,032,161.83 × 308,939.73
  4. Step 4: Simplify right side
    688,344.24x = 318,875,791,915.70
  5. Step 5: Solve for x
    x = 318,875,791,915.70/688,344.24
  6. Step 6: Final answer
    x = 463,250.47

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1.5x scale

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.