Home / 670,513.44-1,006,431.15-492,520.80

Finding the Fourth Proportional to 670,513.44, 1,006,431.15 and 492,520.80

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Solution

The fourth proportional to 670,513.44, 1,006,431.15 and 492,520.80 is: 739,266.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,513.44 : 1,006,431.15 = 492,520.80 : x
  2. Step 2: Convert to fraction form
    670,513.44/1,006,431.15 = 492,520.80/x
  3. Step 3: Cross multiply
    670,513.44x = 1,006,431.15 × 492,520.80
  4. Step 4: Simplify right side
    670,513.44x = 495,688,275,142.92
  5. Step 5: Solve for x
    x = 495,688,275,142.92/670,513.44
  6. Step 6: Final answer
    x = 739,266.73

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Double scale
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1.5x scale

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.