Home / 745,256.57-1,117,903.24-271,941.78

Finding the Fourth Proportional to 745,256.57, 1,117,903.24 and 271,941.78

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Solution

The fourth proportional to 745,256.57, 1,117,903.24 and 271,941.78 is: 407,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,256.57 : 1,117,903.24 = 271,941.78 : x
  2. Step 2: Convert to fraction form
    745,256.57/1,117,903.24 = 271,941.78/x
  3. Step 3: Cross multiply
    745,256.57x = 1,117,903.24 × 271,941.78
  4. Step 4: Simplify right side
    745,256.57x = 304,004,596,953.37
  5. Step 5: Solve for x
    x = 304,004,596,953.37/745,256.57
  6. Step 6: Final answer
    x = 407,919.38

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1.5x scale

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.