Home / 636,962.04-955,568.34-210,480.66

Finding the Fourth Proportional to 636,962.04, 955,568.34 and 210,480.66

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Solution

The fourth proportional to 636,962.04, 955,568.34 and 210,480.66 is: 315,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,962.04 : 955,568.34 = 210,480.66 : x
  2. Step 2: Convert to fraction form
    636,962.04/955,568.34 = 210,480.66/x
  3. Step 3: Cross multiply
    636,962.04x = 955,568.34 × 210,480.66
  4. Step 4: Simplify right side
    636,962.04x = 201,128,654,878.30
  5. Step 5: Solve for x
    x = 201,128,654,878.30/636,962.04
  6. Step 6: Final answer
    x = 315,762.39

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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.