Home / 930,317.76-1,395,210.96-256,229.28

Finding the Fourth Proportional to 930,317.76, 1,395,210.96 and 256,229.28

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Solution

The fourth proportional to 930,317.76, 1,395,210.96 and 256,229.28 is: 384,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,317.76 : 1,395,210.96 = 256,229.28 : x
  2. Step 2: Convert to fraction form
    930,317.76/1,395,210.96 = 256,229.28/x
  3. Step 3: Cross multiply
    930,317.76x = 1,395,210.96 × 256,229.28
  4. Step 4: Simplify right side
    930,317.76x = 357,493,899,728.91
  5. Step 5: Solve for x
    x = 357,493,899,728.91/930,317.76
  6. Step 6: Final answer
    x = 384,270.75

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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.