Home / 956,225.43-1,319,639.58-542,791.31

Finding the Fourth Proportional to 956,225.43, 1,319,639.58 and 542,791.31

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Solution

The fourth proportional to 956,225.43, 1,319,639.58 and 542,791.31 is: 749,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,225.43 : 1,319,639.58 = 542,791.31 : x
  2. Step 2: Convert to fraction form
    956,225.43/1,319,639.58 = 542,791.31/x
  3. Step 3: Cross multiply
    956,225.43x = 1,319,639.58 × 542,791.31
  4. Step 4: Simplify right side
    956,225.43x = 716,288,889,757.85
  5. Step 5: Solve for x
    x = 716,288,889,757.85/956,225.43
  6. Step 6: Final answer
    x = 749,079.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.