Home / 757,715.86-1,045,783.47-451,811.98

Finding the Fourth Proportional to 757,715.86, 1,045,783.47 and 451,811.98

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Solution

The fourth proportional to 757,715.86, 1,045,783.47 and 451,811.98 is: 623,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,715.86 : 1,045,783.47 = 451,811.98 : x
  2. Step 2: Convert to fraction form
    757,715.86/1,045,783.47 = 451,811.98/x
  3. Step 3: Cross multiply
    757,715.86x = 1,045,783.47 × 451,811.98
  4. Step 4: Simplify right side
    757,715.86x = 472,497,500,231.97
  5. Step 5: Solve for x
    x = 472,497,500,231.97/757,715.86
  6. Step 6: Final answer
    x = 623,581.38

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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.