Home / 478,214.91-659,738.48-284,583.81

Finding the Fourth Proportional to 478,214.91, 659,738.48 and 284,583.81

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Solution

The fourth proportional to 478,214.91, 659,738.48 and 284,583.81 is: 392,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,214.91 : 659,738.48 = 284,583.81 : x
  2. Step 2: Convert to fraction form
    478,214.91/659,738.48 = 284,583.81/x
  3. Step 3: Cross multiply
    478,214.91x = 659,738.48 × 284,583.81
  4. Step 4: Simplify right side
    478,214.91x = 187,750,888,819.09
  5. Step 5: Solve for x
    x = 187,750,888,819.09/478,214.91
  6. Step 6: Final answer
    x = 392,607.77

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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.