Home / 634,056.86-875,277.70-443,817.02

Finding the Fourth Proportional to 634,056.86, 875,277.70 and 443,817.02

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Solution

The fourth proportional to 634,056.86, 875,277.70 and 443,817.02 is: 612,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,056.86 : 875,277.70 = 443,817.02 : x
  2. Step 2: Convert to fraction form
    634,056.86/875,277.70 = 443,817.02/x
  3. Step 3: Cross multiply
    634,056.86x = 875,277.70 × 443,817.02
  4. Step 4: Simplify right side
    634,056.86x = 388,463,140,486.45
  5. Step 5: Solve for x
    x = 388,463,140,486.45/634,056.86
  6. Step 6: Final answer
    x = 612,662.94

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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.