Home / 428,150.04-590,578.19-275,386.73

Finding the Fourth Proportional to 428,150.04, 590,578.19 and 275,386.73

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Solution

The fourth proportional to 428,150.04, 590,578.19 and 275,386.73 is: 379,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,150.04 : 590,578.19 = 275,386.73 : x
  2. Step 2: Convert to fraction form
    428,150.04/590,578.19 = 275,386.73/x
  3. Step 3: Cross multiply
    428,150.04x = 590,578.19 × 275,386.73
  4. Step 4: Simplify right side
    428,150.04x = 162,637,392,223.59
  5. Step 5: Solve for x
    x = 162,637,392,223.59/428,150.04
  6. Step 6: Final answer
    x = 379,860.74

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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.