Home / 863,970.91-1,296,534.83-358,532.38

Finding the Fourth Proportional to 863,970.91, 1,296,534.83 and 358,532.38

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Solution

The fourth proportional to 863,970.91, 1,296,534.83 and 358,532.38 is: 538,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,970.91 : 1,296,534.83 = 358,532.38 : x
  2. Step 2: Convert to fraction form
    863,970.91/1,296,534.83 = 358,532.38/x
  3. Step 3: Cross multiply
    863,970.91x = 1,296,534.83 × 358,532.38
  4. Step 4: Simplify right side
    863,970.91x = 464,849,718,352.80
  5. Step 5: Solve for x
    x = 464,849,718,352.80/863,970.91
  6. Step 6: Final answer
    x = 538,038.62

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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.