Home / 696,623.79-1,045,401.72-253,391.79

Finding the Fourth Proportional to 696,623.79, 1,045,401.72 and 253,391.79

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Solution

The fourth proportional to 696,623.79, 1,045,401.72 and 253,391.79 is: 380,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,623.79 : 1,045,401.72 = 253,391.79 : x
  2. Step 2: Convert to fraction form
    696,623.79/1,045,401.72 = 253,391.79/x
  3. Step 3: Cross multiply
    696,623.79x = 1,045,401.72 × 253,391.79
  4. Step 4: Simplify right side
    696,623.79x = 264,896,213,099.88
  5. Step 5: Solve for x
    x = 264,896,213,099.88/696,623.79
  6. Step 6: Final answer
    x = 380,257.20

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1.5x scale

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.