Home / 880,309.42-1,214,832.03-517,748.56

Finding the Fourth Proportional to 880,309.42, 1,214,832.03 and 517,748.56

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Solution

The fourth proportional to 880,309.42, 1,214,832.03 and 517,748.56 is: 714,495.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,309.42 : 1,214,832.03 = 517,748.56 : x
  2. Step 2: Convert to fraction form
    880,309.42/1,214,832.03 = 517,748.56/x
  3. Step 3: Cross multiply
    880,309.42x = 1,214,832.03 × 517,748.56
  4. Step 4: Simplify right side
    880,309.42x = 628,977,529,195.74
  5. Step 5: Solve for x
    x = 628,977,529,195.74/880,309.42
  6. Step 6: Final answer
    x = 714,495.97

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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.