Home / 690,093.50-1,034,300.92-369,457.43

Finding the Fourth Proportional to 690,093.50, 1,034,300.92 and 369,457.43

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Solution

The fourth proportional to 690,093.50, 1,034,300.92 and 369,457.43 is: 553,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,093.50 : 1,034,300.92 = 369,457.43 : x
  2. Step 2: Convert to fraction form
    690,093.50/1,034,300.92 = 369,457.43/x
  3. Step 3: Cross multiply
    690,093.50x = 1,034,300.92 × 369,457.43
  4. Step 4: Simplify right side
    690,093.50x = 382,130,159,749.84
  5. Step 5: Solve for x
    x = 382,130,159,749.84/690,093.50
  6. Step 6: Final answer
    x = 553,736.79

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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.