Home / 688,820.82-1,032,737.42-323,878.16

Finding the Fourth Proportional to 688,820.82, 1,032,737.42 and 323,878.16

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Solution

The fourth proportional to 688,820.82, 1,032,737.42 and 323,878.16 is: 485,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,820.82 : 1,032,737.42 = 323,878.16 : x
  2. Step 2: Convert to fraction form
    688,820.82/1,032,737.42 = 323,878.16/x
  3. Step 3: Cross multiply
    688,820.82x = 1,032,737.42 × 323,878.16
  4. Step 4: Simplify right side
    688,820.82x = 334,481,095,352.75
  5. Step 5: Solve for x
    x = 334,481,095,352.75/688,820.82
  6. Step 6: Final answer
    x = 485,585.05

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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.