Home / 863,987.16-1,296,559.20-358,548.66

Finding the Fourth Proportional to 863,987.16, 1,296,559.20 and 358,548.66

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Solution

The fourth proportional to 863,987.16, 1,296,559.20 and 358,548.66 is: 538,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,987.16 : 1,296,559.20 = 358,548.66 : x
  2. Step 2: Convert to fraction form
    863,987.16/1,296,559.20 = 358,548.66/x
  3. Step 3: Cross multiply
    863,987.16x = 1,296,559.20 × 358,548.66
  4. Step 4: Simplify right side
    863,987.16x = 464,879,563,770.67
  5. Step 5: Solve for x
    x = 464,879,563,770.67/863,987.16
  6. Step 6: Final answer
    x = 538,063.05

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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.