Home / 757,822-1,045,794.46-418,290.34

Finding the Fourth Proportional to 757,822, 1,045,794.46 and 418,290.34

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Solution

The fourth proportional to 757,822, 1,045,794.46 and 418,290.34 is: 577,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,822 : 1,045,794.46 = 418,290.34 : x
  2. Step 2: Convert to fraction form
    757,822/1,045,794.46 = 418,290.34/x
  3. Step 3: Cross multiply
    757,822x = 1,045,794.46 × 418,290.34
  4. Step 4: Simplify right side
    757,822x = 437,445,720,243.52
  5. Step 5: Solve for x
    x = 437,445,720,243.52/757,822
  6. Step 6: Final answer
    x = 577,240.72

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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.