Home / 745,079.29-1,117,785.61-271,764.65

Finding the Fourth Proportional to 745,079.29, 1,117,785.61 and 271,764.65

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Solution

The fourth proportional to 745,079.29, 1,117,785.61 and 271,764.65 is: 407,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,079.29 : 1,117,785.61 = 271,764.65 : x
  2. Step 2: Convert to fraction form
    745,079.29/1,117,785.61 = 271,764.65/x
  3. Step 3: Cross multiply
    745,079.29x = 1,117,785.61 × 271,764.65
  4. Step 4: Simplify right side
    745,079.29x = 303,774,615,470.87
  5. Step 5: Solve for x
    x = 303,774,615,470.87/745,079.29
  6. Step 6: Final answer
    x = 407,707.77

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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.