Home / 839,974.20-1,159,165.53-458,000.97

Finding the Fourth Proportional to 839,974.20, 1,159,165.53 and 458,000.97

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Solution

The fourth proportional to 839,974.20, 1,159,165.53 and 458,000.97 is: 632,041.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,974.20 : 1,159,165.53 = 458,000.97 : x
  2. Step 2: Convert to fraction form
    839,974.20/1,159,165.53 = 458,000.97/x
  3. Step 3: Cross multiply
    839,974.20x = 1,159,165.53 × 458,000.97
  4. Step 4: Simplify right side
    839,974.20x = 530,898,937,130.56
  5. Step 5: Solve for x
    x = 530,898,937,130.56/839,974.20
  6. Step 6: Final answer
    x = 632,041.96

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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.