Home / 688,005.20-1,032,007.80-238,576.70

Finding the Fourth Proportional to 688,005.20, 1,032,007.80 and 238,576.70

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Solution

The fourth proportional to 688,005.20, 1,032,007.80 and 238,576.70 is: 357,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,005.20 : 1,032,007.80 = 238,576.70 : x
  2. Step 2: Convert to fraction form
    688,005.20/1,032,007.80 = 238,576.70/x
  3. Step 3: Cross multiply
    688,005.20x = 1,032,007.80 × 238,576.70
  4. Step 4: Simplify right side
    688,005.20x = 246,213,015,298.26
  5. Step 5: Solve for x
    x = 246,213,015,298.26/688,005.20
  6. Step 6: Final answer
    x = 357,865.05

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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.