Home / 757,818-1,045,788.93-418,286.34

Finding the Fourth Proportional to 757,818, 1,045,788.93 and 418,286.34

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Solution

The fourth proportional to 757,818, 1,045,788.93 and 418,286.34 is: 577,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,818 : 1,045,788.93 = 418,286.34 : x
  2. Step 2: Convert to fraction form
    757,818/1,045,788.93 = 418,286.34/x
  3. Step 3: Cross multiply
    757,818x = 1,045,788.93 × 418,286.34
  4. Step 4: Simplify right side
    757,818x = 437,439,223,942.22
  5. Step 5: Solve for x
    x = 437,439,223,942.22/757,818
  6. Step 6: Final answer
    x = 577,235.20

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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.