Home / 648,930.79-895,519.23-358,541.44

Finding the Fourth Proportional to 648,930.79, 895,519.23 and 358,541.44

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Solution

The fourth proportional to 648,930.79, 895,519.23 and 358,541.44 is: 494,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,930.79 : 895,519.23 = 358,541.44 : x
  2. Step 2: Convert to fraction form
    648,930.79/895,519.23 = 358,541.44/x
  3. Step 3: Cross multiply
    648,930.79x = 895,519.23 × 358,541.44
  4. Step 4: Simplify right side
    648,930.79x = 321,080,750,688.56
  5. Step 5: Solve for x
    x = 321,080,750,688.56/648,930.79
  6. Step 6: Final answer
    x = 494,784.27

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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.