Home / 670,505.94-1,006,419.87-492,513.30

Finding the Fourth Proportional to 670,505.94, 1,006,419.87 and 492,513.30

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Solution

The fourth proportional to 670,505.94, 1,006,419.87 and 492,513.30 is: 739,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,505.94 : 1,006,419.87 = 492,513.30 : x
  2. Step 2: Convert to fraction form
    670,505.94/1,006,419.87 = 492,513.30/x
  3. Step 3: Cross multiply
    670,505.94x = 1,006,419.87 × 492,513.30
  4. Step 4: Simplify right side
    670,505.94x = 495,675,171,359.27
  5. Step 5: Solve for x
    x = 495,675,171,359.27/670,505.94
  6. Step 6: Final answer
    x = 739,255.45

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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.