Home / 634,042.60-874,971.66-347,561.80

Finding the Fourth Proportional to 634,042.60, 874,971.66 and 347,561.80

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Solution

The fourth proportional to 634,042.60, 874,971.66 and 347,561.80 is: 479,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,042.60 : 874,971.66 = 347,561.80 : x
  2. Step 2: Convert to fraction form
    634,042.60/874,971.66 = 347,561.80/x
  3. Step 3: Cross multiply
    634,042.60x = 874,971.66 × 347,561.80
  4. Step 4: Simplify right side
    634,042.60x = 304,106,725,098.59
  5. Step 5: Solve for x
    x = 304,106,725,098.59/634,042.60
  6. Step 6: Final answer
    x = 479,631.38

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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.