Home / 848,763.88-1,273,706.67-399,613.20

Finding the Fourth Proportional to 848,763.88, 1,273,706.67 and 399,613.20

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Solution

The fourth proportional to 848,763.88, 1,273,706.67 and 399,613.20 is: 599,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,763.88 : 1,273,706.67 = 399,613.20 : x
  2. Step 2: Convert to fraction form
    848,763.88/1,273,706.67 = 399,613.20/x
  3. Step 3: Cross multiply
    848,763.88x = 1,273,706.67 × 399,613.20
  4. Step 4: Simplify right side
    848,763.88x = 508,989,998,260.04
  5. Step 5: Solve for x
    x = 508,989,998,260.04/848,763.88
  6. Step 6: Final answer
    x = 599,683.86

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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.