Home / 702,919.10-1,054,378.65-514,912.70

Finding the Fourth Proportional to 702,919.10, 1,054,378.65 and 514,912.70

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Solution

The fourth proportional to 702,919.10, 1,054,378.65 and 514,912.70 is: 772,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,919.10 : 1,054,378.65 = 514,912.70 : x
  2. Step 2: Convert to fraction form
    702,919.10/1,054,378.65 = 514,912.70/x
  3. Step 3: Cross multiply
    702,919.10x = 1,054,378.65 × 514,912.70
  4. Step 4: Simplify right side
    702,919.10x = 542,912,957,493.86
  5. Step 5: Solve for x
    x = 542,912,957,493.86/702,919.10
  6. Step 6: Final answer
    x = 772,369.05

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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.