Home / 637,117.64-955,824.38-210,627.73

Finding the Fourth Proportional to 637,117.64, 955,824.38 and 210,627.73

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Solution

The fourth proportional to 637,117.64, 955,824.38 and 210,627.73 is: 315,990.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,117.64 : 955,824.38 = 210,627.73 : x
  2. Step 2: Convert to fraction form
    637,117.64/955,824.38 = 210,627.73/x
  3. Step 3: Cross multiply
    637,117.64x = 955,824.38 × 210,627.73
  4. Step 4: Simplify right side
    637,117.64x = 201,323,119,438.06
  5. Step 5: Solve for x
    x = 201,323,119,438.06/637,117.64
  6. Step 6: Final answer
    x = 315,990.50

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Double scale
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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.