Home / 943,531.20-1,415,880-382,570.56

Finding the Fourth Proportional to 943,531.20, 1,415,880 and 382,570.56

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Solution

The fourth proportional to 943,531.20, 1,415,880 and 382,570.56 is: 574,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,531.20 : 1,415,880 = 382,570.56 : x
  2. Step 2: Convert to fraction form
    943,531.20/1,415,880 = 382,570.56/x
  3. Step 3: Cross multiply
    943,531.20x = 1,415,880 × 382,570.56
  4. Step 4: Simplify right side
    943,531.20x = 541,674,004,492.80
  5. Step 5: Solve for x
    x = 541,674,004,492.80/943,531.20
  6. Step 6: Final answer
    x = 574,092.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.