Home / 757,718.62-1,045,649.55-418,184.44

Finding the Fourth Proportional to 757,718.62, 1,045,649.55 and 418,184.44

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Solution

The fourth proportional to 757,718.62, 1,045,649.55 and 418,184.44 is: 577,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,718.62 : 1,045,649.55 = 418,184.44 : x
  2. Step 2: Convert to fraction form
    757,718.62/1,045,649.55 = 418,184.44/x
  3. Step 3: Cross multiply
    757,718.62x = 1,045,649.55 × 418,184.44
  4. Step 4: Simplify right side
    757,718.62x = 437,274,370,457.07
  5. Step 5: Solve for x
    x = 437,274,370,457.07/757,718.62
  6. Step 6: Final answer
    x = 577,093.34

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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.