Home / 753,401.39-1,130,095.20-303,803.87

Finding the Fourth Proportional to 753,401.39, 1,130,095.20 and 303,803.87

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Solution

The fourth proportional to 753,401.39, 1,130,095.20 and 303,803.87 is: 455,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,401.39 : 1,130,095.20 = 303,803.87 : x
  2. Step 2: Convert to fraction form
    753,401.39/1,130,095.20 = 303,803.87/x
  3. Step 3: Cross multiply
    753,401.39x = 1,130,095.20 × 303,803.87
  4. Step 4: Simplify right side
    753,401.39x = 343,327,295,228.42
  5. Step 5: Solve for x
    x = 343,327,295,228.42/753,401.39
  6. Step 6: Final answer
    x = 455,703.03

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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.