Home / 753,190.75-1,039,400.03-409,024.27

Finding the Fourth Proportional to 753,190.75, 1,039,400.03 and 409,024.27

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Solution

The fourth proportional to 753,190.75, 1,039,400.03 and 409,024.27 is: 564,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,190.75 : 1,039,400.03 = 409,024.27 : x
  2. Step 2: Convert to fraction form
    753,190.75/1,039,400.03 = 409,024.27/x
  3. Step 3: Cross multiply
    753,190.75x = 1,039,400.03 × 409,024.27
  4. Step 4: Simplify right side
    753,190.75x = 425,139,840,500.67
  5. Step 5: Solve for x
    x = 425,139,840,500.67/753,190.75
  6. Step 6: Final answer
    x = 564,451.75

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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.