Home / 508,005.11-761,474.21-170,928.74

Finding the Fourth Proportional to 508,005.11, 761,474.21 and 170,928.74

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Solution

The fourth proportional to 508,005.11, 761,474.21 and 170,928.74 is: 256,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,005.11 : 761,474.21 = 170,928.74 : x
  2. Step 2: Convert to fraction form
    508,005.11/761,474.21 = 170,928.74/x
  3. Step 3: Cross multiply
    508,005.11x = 761,474.21 × 170,928.74
  4. Step 4: Simplify right side
    508,005.11x = 130,157,822,595.78
  5. Step 5: Solve for x
    x = 130,157,822,595.78/508,005.11
  6. Step 6: Final answer
    x = 256,213.61

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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.