Home / 749,383.71-1,034,123.92-427,197.60

Finding the Fourth Proportional to 749,383.71, 1,034,123.92 and 427,197.60

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Solution

The fourth proportional to 749,383.71, 1,034,123.92 and 427,197.60 is: 589,518.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,383.71 : 1,034,123.92 = 427,197.60 : x
  2. Step 2: Convert to fraction form
    749,383.71/1,034,123.92 = 427,197.60/x
  3. Step 3: Cross multiply
    749,383.71x = 1,034,123.92 × 427,197.60
  4. Step 4: Simplify right side
    749,383.71x = 441,775,256,726.59
  5. Step 5: Solve for x
    x = 441,775,256,726.59/749,383.71
  6. Step 6: Final answer
    x = 589,518.09

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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.