Home / 784,467.90-1,175,589.41-328,567.98

Finding the Fourth Proportional to 784,467.90, 1,175,589.41 and 328,567.98

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Solution

The fourth proportional to 784,467.90, 1,175,589.41 and 328,567.98 is: 492,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,467.90 : 1,175,589.41 = 328,567.98 : x
  2. Step 2: Convert to fraction form
    784,467.90/1,175,589.41 = 328,567.98/x
  3. Step 3: Cross multiply
    784,467.90x = 1,175,589.41 × 328,567.98
  4. Step 4: Simplify right side
    784,467.90x = 386,261,037,753.09
  5. Step 5: Solve for x
    x = 386,261,037,753.09/784,467.90
  6. Step 6: Final answer
    x = 492,386.03

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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.