Home / 790,270.83-1,090,575.08-427,695.05

Finding the Fourth Proportional to 790,270.83, 1,090,575.08 and 427,695.05

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Solution

The fourth proportional to 790,270.83, 1,090,575.08 and 427,695.05 is: 590,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,270.83 : 1,090,575.08 = 427,695.05 : x
  2. Step 2: Convert to fraction form
    790,270.83/1,090,575.08 = 427,695.05/x
  3. Step 3: Cross multiply
    790,270.83x = 1,090,575.08 × 427,695.05
  4. Step 4: Simplify right side
    790,270.83x = 466,433,555,778.00
  5. Step 5: Solve for x
    x = 466,433,555,778.00/790,270.83
  6. Step 6: Final answer
    x = 590,219.88

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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.