Home / 989,949.27-1,484,929.37-358,846.68

Finding the Fourth Proportional to 989,949.27, 1,484,929.37 and 358,846.68

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Solution

The fourth proportional to 989,949.27, 1,484,929.37 and 358,846.68 is: 538,272.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,949.27 : 1,484,929.37 = 358,846.68 : x
  2. Step 2: Convert to fraction form
    989,949.27/1,484,929.37 = 358,846.68/x
  3. Step 3: Cross multiply
    989,949.27x = 1,484,929.37 × 358,846.68
  4. Step 4: Simplify right side
    989,949.27x = 532,861,974,458.99
  5. Step 5: Solve for x
    x = 532,861,974,458.99/989,949.27
  6. Step 6: Final answer
    x = 538,272.00

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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.