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Finding the Fourth Proportional to 634,310.83, 874,502.14 and 503,921.13

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Solution

The fourth proportional to 634,310.83, 874,502.14 and 503,921.13 is: 694,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,310.83 : 874,502.14 = 503,921.13 : x
  2. Step 2: Convert to fraction form
    634,310.83/874,502.14 = 503,921.13/x
  3. Step 3: Cross multiply
    634,310.83x = 874,502.14 × 503,921.13
  4. Step 4: Simplify right side
    634,310.83x = 440,680,106,576.22
  5. Step 5: Solve for x
    x = 440,680,106,576.22/634,310.83
  6. Step 6: Final answer
    x = 694,738.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.