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Finding the Fourth Proportional to 693,900, 957,582 and 375,948

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Solution

The fourth proportional to 693,900, 957,582 and 375,948 is: 518,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,900 : 957,582 = 375,948 : x
  2. Step 2: Convert to fraction form
    693,900/957,582 = 375,948/x
  3. Step 3: Cross multiply
    693,900x = 957,582 × 375,948
  4. Step 4: Simplify right side
    693,900x = 360,001,037,736
  5. Step 5: Solve for x
    x = 360,001,037,736/693,900
  6. Step 6: Final answer
    x = 518,808.24

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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.