Home / 863,969.66-1,296,532.95-358,531.13

Finding the Fourth Proportional to 863,969.66, 1,296,532.95 and 358,531.13

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Solution

The fourth proportional to 863,969.66, 1,296,532.95 and 358,531.13 is: 538,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,969.66 : 1,296,532.95 = 358,531.13 : x
  2. Step 2: Convert to fraction form
    863,969.66/1,296,532.95 = 358,531.13/x
  3. Step 3: Cross multiply
    863,969.66x = 1,296,532.95 × 358,531.13
  4. Step 4: Simplify right side
    863,969.66x = 464,847,423,645.73
  5. Step 5: Solve for x
    x = 464,847,423,645.73/863,969.66
  6. Step 6: Final answer
    x = 538,036.75

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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.