Home / 688,230.60-1,032,345.90-214,963.80

Finding the Fourth Proportional to 688,230.60, 1,032,345.90 and 214,963.80

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Solution

The fourth proportional to 688,230.60, 1,032,345.90 and 214,963.80 is: 322,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,230.60 : 1,032,345.90 = 214,963.80 : x
  2. Step 2: Convert to fraction form
    688,230.60/1,032,345.90 = 214,963.80/x
  3. Step 3: Cross multiply
    688,230.60x = 1,032,345.90 × 214,963.80
  4. Step 4: Simplify right side
    688,230.60x = 221,916,997,578.42
  5. Step 5: Solve for x
    x = 221,916,997,578.42/688,230.60
  6. Step 6: Final answer
    x = 322,445.70

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Similar ratio
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1.5x scale

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.