Home / 790,273.83-1,090,579.20-427,698.06

Finding the Fourth Proportional to 790,273.83, 1,090,579.20 and 427,698.06

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Solution

The fourth proportional to 790,273.83, 1,090,579.20 and 427,698.06 is: 590,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,273.83 : 1,090,579.20 = 427,698.06 : x
  2. Step 2: Convert to fraction form
    790,273.83/1,090,579.20 = 427,698.06/x
  3. Step 3: Cross multiply
    790,273.83x = 1,090,579.20 × 427,698.06
  4. Step 4: Simplify right side
    790,273.83x = 466,438,608,116.35
  5. Step 5: Solve for x
    x = 466,438,608,116.35/790,273.83
  6. Step 6: Final answer
    x = 590,224.03

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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.