Home / 730,028-1,094,322.30-256,381.20

Finding the Fourth Proportional to 730,028, 1,094,322.30 and 256,381.20

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Solution

The fourth proportional to 730,028, 1,094,322.30 and 256,381.20 is: 384,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,028 : 1,094,322.30 = 256,381.20 : x
  2. Step 2: Convert to fraction form
    730,028/1,094,322.30 = 256,381.20/x
  3. Step 3: Cross multiply
    730,028x = 1,094,322.30 × 256,381.20
  4. Step 4: Simplify right side
    730,028x = 280,563,664,460.76
  5. Step 5: Solve for x
    x = 280,563,664,460.76/730,028
  6. Step 6: Final answer
    x = 384,319.05

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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.