Home / 469,929.29-648,484.97-255,064.73

Finding the Fourth Proportional to 469,929.29, 648,484.97 and 255,064.73

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Solution

The fourth proportional to 469,929.29, 648,484.97 and 255,064.73 is: 351,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,929.29 : 648,484.97 = 255,064.73 : x
  2. Step 2: Convert to fraction form
    469,929.29/648,484.97 = 255,064.73/x
  3. Step 3: Cross multiply
    469,929.29x = 648,484.97 × 255,064.73
  4. Step 4: Simplify right side
    469,929.29x = 165,405,639,264.36
  5. Step 5: Solve for x
    x = 165,405,639,264.36/469,929.29
  6. Step 6: Final answer
    x = 351,979.85

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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.