Home / 945,499.59-1,418,511.83-398,632.95

Finding the Fourth Proportional to 945,499.59, 1,418,511.83 and 398,632.95

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Solution

The fourth proportional to 945,499.59, 1,418,511.83 and 398,632.95 is: 598,060.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,499.59 : 1,418,511.83 = 398,632.95 : x
  2. Step 2: Convert to fraction form
    945,499.59/1,418,511.83 = 398,632.95/x
  3. Step 3: Cross multiply
    945,499.59x = 1,418,511.83 × 398,632.95
  4. Step 4: Simplify right side
    945,499.59x = 565,465,553,409.63
  5. Step 5: Solve for x
    x = 565,465,553,409.63/945,499.59
  6. Step 6: Final answer
    x = 598,060.07

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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.