Home / 930,335.48-1,395,251.21-256,256.47

Finding the Fourth Proportional to 930,335.48, 1,395,251.21 and 256,256.47

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Solution

The fourth proportional to 930,335.48, 1,395,251.21 and 256,256.47 is: 384,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,335.48 : 1,395,251.21 = 256,256.47 : x
  2. Step 2: Convert to fraction form
    930,335.48/1,395,251.21 = 256,256.47/x
  3. Step 3: Cross multiply
    930,335.48x = 1,395,251.21 × 256,256.47
  4. Step 4: Simplify right side
    930,335.48x = 357,542,143,653.53
  5. Step 5: Solve for x
    x = 357,542,143,653.53/930,335.48
  6. Step 6: Final answer
    x = 384,315.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.