Home / 756,159.75-1,043,503.70-416,620.71

Finding the Fourth Proportional to 756,159.75, 1,043,503.70 and 416,620.71

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Solution

The fourth proportional to 756,159.75, 1,043,503.70 and 416,620.71 is: 574,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,159.75 : 1,043,503.70 = 416,620.71 : x
  2. Step 2: Convert to fraction form
    756,159.75/1,043,503.70 = 416,620.71/x
  3. Step 3: Cross multiply
    756,159.75x = 1,043,503.70 × 416,620.71
  4. Step 4: Simplify right side
    756,159.75x = 434,745,250,298.52
  5. Step 5: Solve for x
    x = 434,745,250,298.52/756,159.75
  6. Step 6: Final answer
    x = 574,938.36

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1.5x scale

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.