Home / 863,536.25-1,294,750.10-358,445.86

Finding the Fourth Proportional to 863,536.25, 1,294,750.10 and 358,445.86

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Solution

The fourth proportional to 863,536.25, 1,294,750.10 and 358,445.86 is: 537,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,536.25 : 1,294,750.10 = 358,445.86 : x
  2. Step 2: Convert to fraction form
    863,536.25/1,294,750.10 = 358,445.86/x
  3. Step 3: Cross multiply
    863,536.25x = 1,294,750.10 × 358,445.86
  4. Step 4: Simplify right side
    863,536.25x = 464,097,816,201.05
  5. Step 5: Solve for x
    x = 464,097,816,201.05/863,536.25
  6. Step 6: Final answer
    x = 537,438.72

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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.