Home / 688,297.81-1,032,467.09-328,506.58

Finding the Fourth Proportional to 688,297.81, 1,032,467.09 and 328,506.58

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Solution

The fourth proportional to 688,297.81, 1,032,467.09 and 328,506.58 is: 492,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,297.81 : 1,032,467.09 = 328,506.58 : x
  2. Step 2: Convert to fraction form
    688,297.81/1,032,467.09 = 328,506.58/x
  3. Step 3: Cross multiply
    688,297.81x = 1,032,467.09 × 328,506.58
  4. Step 4: Simplify right side
    688,297.81x = 339,172,232,698.45
  5. Step 5: Solve for x
    x = 339,172,232,698.45/688,297.81
  6. Step 6: Final answer
    x = 492,769.59

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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.