Home / 688,224.60-1,032,336.90-214,957.80

Finding the Fourth Proportional to 688,224.60, 1,032,336.90 and 214,957.80

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Solution

The fourth proportional to 688,224.60, 1,032,336.90 and 214,957.80 is: 322,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,224.60 : 1,032,336.90 = 214,957.80 : x
  2. Step 2: Convert to fraction form
    688,224.60/1,032,336.90 = 214,957.80/x
  3. Step 3: Cross multiply
    688,224.60x = 1,032,336.90 × 214,957.80
  4. Step 4: Simplify right side
    688,224.60x = 221,908,868,882.82
  5. Step 5: Solve for x
    x = 221,908,868,882.82/688,224.60
  6. Step 6: Final answer
    x = 322,436.70

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Similar ratio
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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.