Home / 784,467.40-1,175,588.66-328,567.48

Finding the Fourth Proportional to 784,467.40, 1,175,588.66 and 328,567.48

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Solution

The fourth proportional to 784,467.40, 1,175,588.66 and 328,567.48 is: 492,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,467.40 : 1,175,588.66 = 328,567.48 : x
  2. Step 2: Convert to fraction form
    784,467.40/1,175,588.66 = 328,567.48/x
  3. Step 3: Cross multiply
    784,467.40x = 1,175,588.66 × 328,567.48
  4. Step 4: Simplify right side
    784,467.40x = 386,260,203,532.78
  5. Step 5: Solve for x
    x = 386,260,203,532.78/784,467.40
  6. Step 6: Final answer
    x = 492,385.28

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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.