Home / 756,275.32-1,043,666.94-416,755.72

Finding the Fourth Proportional to 756,275.32, 1,043,666.94 and 416,755.72

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Solution

The fourth proportional to 756,275.32, 1,043,666.94 and 416,755.72 is: 575,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,275.32 : 1,043,666.94 = 416,755.72 : x
  2. Step 2: Convert to fraction form
    756,275.32/1,043,666.94 = 416,755.72/x
  3. Step 3: Cross multiply
    756,275.32x = 1,043,666.94 × 416,755.72
  4. Step 4: Simplify right side
    756,275.32x = 434,954,167,019.90
  5. Step 5: Solve for x
    x = 434,954,167,019.90/756,275.32
  6. Step 6: Final answer
    x = 575,126.75

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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.