Home / 688,197.60-1,032,295.92-214,923.52

Finding the Fourth Proportional to 688,197.60, 1,032,295.92 and 214,923.52

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Solution

The fourth proportional to 688,197.60, 1,032,295.92 and 214,923.52 is: 322,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,197.60 : 1,032,295.92 = 214,923.52 : x
  2. Step 2: Convert to fraction form
    688,197.60/1,032,295.92 = 214,923.52/x
  3. Step 3: Cross multiply
    688,197.60x = 1,032,295.92 × 214,923.52
  4. Step 4: Simplify right side
    688,197.60x = 221,864,672,808.04
  5. Step 5: Solve for x
    x = 221,864,672,808.04/688,197.60
  6. Step 6: Final answer
    x = 322,385.13

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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.