Home / 471,721.92-650,984.04-256,866.18

Finding the Fourth Proportional to 471,721.92, 650,984.04 and 256,866.18

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Solution

The fourth proportional to 471,721.92, 650,984.04 and 256,866.18 is: 354,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,721.92 : 650,984.04 = 256,866.18 : x
  2. Step 2: Convert to fraction form
    471,721.92/650,984.04 = 256,866.18/x
  3. Step 3: Cross multiply
    471,721.92x = 650,984.04 × 256,866.18
  4. Step 4: Simplify right side
    471,721.92x = 167,215,783,595.77
  5. Step 5: Solve for x
    x = 167,215,783,595.77/471,721.92
  6. Step 6: Final answer
    x = 354,479.57

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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.