Home / 733,424.09-1,012,128.84-427,712.45

Finding the Fourth Proportional to 733,424.09, 1,012,128.84 and 427,712.45

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Solution

The fourth proportional to 733,424.09, 1,012,128.84 and 427,712.45 is: 590,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,424.09 : 1,012,128.84 = 427,712.45 : x
  2. Step 2: Convert to fraction form
    733,424.09/1,012,128.84 = 427,712.45/x
  3. Step 3: Cross multiply
    733,424.09x = 1,012,128.84 × 427,712.45
  4. Step 4: Simplify right side
    733,424.09x = 432,900,100,811.41
  5. Step 5: Solve for x
    x = 432,900,100,811.41/733,424.09
  6. Step 6: Final answer
    x = 590,245.28

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Double scale
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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.