Home / 774,861.08-1,069,328.05-425,997.23

Finding the Fourth Proportional to 774,861.08, 1,069,328.05 and 425,997.23

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Solution

The fourth proportional to 774,861.08, 1,069,328.05 and 425,997.23 is: 587,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,861.08 : 1,069,328.05 = 425,997.23 : x
  2. Step 2: Convert to fraction form
    774,861.08/1,069,328.05 = 425,997.23/x
  3. Step 3: Cross multiply
    774,861.08x = 1,069,328.05 × 425,997.23
  4. Step 4: Simplify right side
    774,861.08x = 455,530,780,849.67
  5. Step 5: Solve for x
    x = 455,530,780,849.67/774,861.08
  6. Step 6: Final answer
    x = 587,887.04

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1.5x scale

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.