Home / 860,223.24-1,290,853.80-299,651.40

Finding the Fourth Proportional to 860,223.24, 1,290,853.80 and 299,651.40

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Solution

The fourth proportional to 860,223.24, 1,290,853.80 and 299,651.40 is: 449,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,223.24 : 1,290,853.80 = 299,651.40 : x
  2. Step 2: Convert to fraction form
    860,223.24/1,290,853.80 = 299,651.40/x
  3. Step 3: Cross multiply
    860,223.24x = 1,290,853.80 × 299,651.40
  4. Step 4: Simplify right side
    860,223.24x = 386,806,148,365.32
  5. Step 5: Solve for x
    x = 386,806,148,365.32/860,223.24
  6. Step 6: Final answer
    x = 449,657.87

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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.