Home / 688,244.80-1,032,021.60-313,844.80

Finding the Fourth Proportional to 688,244.80, 1,032,021.60 and 313,844.80

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Solution

The fourth proportional to 688,244.80, 1,032,021.60 and 313,844.80 is: 470,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,244.80 : 1,032,021.60 = 313,844.80 : x
  2. Step 2: Convert to fraction form
    688,244.80/1,032,021.60 = 313,844.80/x
  3. Step 3: Cross multiply
    688,244.80x = 1,032,021.60 × 313,844.80
  4. Step 4: Simplify right side
    688,244.80x = 323,894,612,647.68
  5. Step 5: Solve for x
    x = 323,894,612,647.68/688,244.80
  6. Step 6: Final answer
    x = 470,609.60

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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.