Home / 688,003.55-1,032,005.33-214,627.40

Finding the Fourth Proportional to 688,003.55, 1,032,005.33 and 214,627.40

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Solution

The fourth proportional to 688,003.55, 1,032,005.33 and 214,627.40 is: 321,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,003.55 : 1,032,005.33 = 214,627.40 : x
  2. Step 2: Convert to fraction form
    688,003.55/1,032,005.33 = 214,627.40/x
  3. Step 3: Cross multiply
    688,003.55x = 1,032,005.33 × 214,627.40
  4. Step 4: Simplify right side
    688,003.55x = 221,496,619,690.91
  5. Step 5: Solve for x
    x = 221,496,619,690.91/688,003.55
  6. Step 6: Final answer
    x = 321,941.10

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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.