Home / 757,981.08-1,045,986.48-418,442.04

Finding the Fourth Proportional to 757,981.08, 1,045,986.48 and 418,442.04

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Solution

The fourth proportional to 757,981.08, 1,045,986.48 and 418,442.04 is: 577,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,981.08 : 1,045,986.48 = 418,442.04 : x
  2. Step 2: Convert to fraction form
    757,981.08/1,045,986.48 = 418,442.04/x
  3. Step 3: Cross multiply
    757,981.08x = 1,045,986.48 × 418,442.04
  4. Step 4: Simplify right side
    757,981.08x = 437,684,716,503.62
  5. Step 5: Solve for x
    x = 437,684,716,503.62/757,981.08
  6. Step 6: Final answer
    x = 577,434.88

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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.