Home / 773,257.20-1,159,271.40-423,049.20

Finding the Fourth Proportional to 773,257.20, 1,159,271.40 and 423,049.20

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Solution

The fourth proportional to 773,257.20, 1,159,271.40 and 423,049.20 is: 634,237.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,257.20 : 1,159,271.40 = 423,049.20 : x
  2. Step 2: Convert to fraction form
    773,257.20/1,159,271.40 = 423,049.20/x
  3. Step 3: Cross multiply
    773,257.20x = 1,159,271.40 × 423,049.20
  4. Step 4: Simplify right side
    773,257.20x = 490,428,838,352.88
  5. Step 5: Solve for x
    x = 490,428,838,352.88/773,257.20
  6. Step 6: Final answer
    x = 634,237.66

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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.