Home / 723,409.91-1,085,103.55-176,308.57

Finding the Fourth Proportional to 723,409.91, 1,085,103.55 and 176,308.57

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Solution

The fourth proportional to 723,409.91, 1,085,103.55 and 176,308.57 is: 264,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,409.91 : 1,085,103.55 = 176,308.57 : x
  2. Step 2: Convert to fraction form
    723,409.91/1,085,103.55 = 176,308.57/x
  3. Step 3: Cross multiply
    723,409.91x = 1,085,103.55 × 176,308.57
  4. Step 4: Simplify right side
    723,409.91x = 191,313,055,202.42
  5. Step 5: Solve for x
    x = 191,313,055,202.42/723,409.91
  6. Step 6: Final answer
    x = 264,460.10

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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.