Home / 688,230.80-1,032,000.60-313,830.80

Finding the Fourth Proportional to 688,230.80, 1,032,000.60 and 313,830.80

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Solution

The fourth proportional to 688,230.80, 1,032,000.60 and 313,830.80 is: 470,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,230.80 : 1,032,000.60 = 313,830.80 : x
  2. Step 2: Convert to fraction form
    688,230.80/1,032,000.60 = 313,830.80/x
  3. Step 3: Cross multiply
    688,230.80x = 1,032,000.60 × 313,830.80
  4. Step 4: Simplify right side
    688,230.80x = 323,873,573,898.48
  5. Step 5: Solve for x
    x = 323,873,573,898.48/688,230.80
  6. Step 6: Final answer
    x = 470,588.61

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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.