Home / 492,723.40-739,085.10-488,057.80

Finding the Fourth Proportional to 492,723.40, 739,085.10 and 488,057.80

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Solution

The fourth proportional to 492,723.40, 739,085.10 and 488,057.80 is: 732,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,723.40 : 739,085.10 = 488,057.80 : x
  2. Step 2: Convert to fraction form
    492,723.40/739,085.10 = 488,057.80/x
  3. Step 3: Cross multiply
    492,723.40x = 739,085.10 × 488,057.80
  4. Step 4: Simplify right side
    492,723.40x = 360,716,247,918.78
  5. Step 5: Solve for x
    x = 360,716,247,918.78/492,723.40
  6. Step 6: Final answer
    x = 732,086.70

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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.