Home / 637,984.40-956,746.20-322,336.40

Finding the Fourth Proportional to 637,984.40, 956,746.20 and 322,336.40

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Solution

The fourth proportional to 637,984.40, 956,746.20 and 322,336.40 is: 483,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,984.40 : 956,746.20 = 322,336.40 : x
  2. Step 2: Convert to fraction form
    637,984.40/956,746.20 = 322,336.40/x
  3. Step 3: Cross multiply
    637,984.40x = 956,746.20 × 322,336.40
  4. Step 4: Simplify right side
    637,984.40x = 308,394,125,821.68
  5. Step 5: Solve for x
    x = 308,394,125,821.68/637,984.40
  6. Step 6: Final answer
    x = 483,388.19

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Double scale
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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.