Home / 747,758.87-1,031,868.20-408,161.51

Finding the Fourth Proportional to 747,758.87, 1,031,868.20 and 408,161.51

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Solution

The fourth proportional to 747,758.87, 1,031,868.20 and 408,161.51 is: 563,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,758.87 : 1,031,868.20 = 408,161.51 : x
  2. Step 2: Convert to fraction form
    747,758.87/1,031,868.20 = 408,161.51/x
  3. Step 3: Cross multiply
    747,758.87x = 1,031,868.20 × 408,161.51
  4. Step 4: Simplify right side
    747,758.87x = 421,168,882,632.98
  5. Step 5: Solve for x
    x = 421,168,882,632.98/747,758.87
  6. Step 6: Final answer
    x = 563,241.57

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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.