Home / 656,821.71-906,424.02-384,824.52

Finding the Fourth Proportional to 656,821.71, 906,424.02 and 384,824.52

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Solution

The fourth proportional to 656,821.71, 906,424.02 and 384,824.52 is: 531,063.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,821.71 : 906,424.02 = 384,824.52 : x
  2. Step 2: Convert to fraction form
    656,821.71/906,424.02 = 384,824.52/x
  3. Step 3: Cross multiply
    656,821.71x = 906,424.02 × 384,824.52
  4. Step 4: Simplify right side
    656,821.71x = 348,814,188,412.97
  5. Step 5: Solve for x
    x = 348,814,188,412.97/656,821.71
  6. Step 6: Final answer
    x = 531,063.73

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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.