Home / 790,142.45-1,090,399.46-427,566.30

Finding the Fourth Proportional to 790,142.45, 1,090,399.46 and 427,566.30

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Solution

The fourth proportional to 790,142.45, 1,090,399.46 and 427,566.30 is: 590,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,142.45 : 1,090,399.46 = 427,566.30 : x
  2. Step 2: Convert to fraction form
    790,142.45/1,090,399.46 = 427,566.30/x
  3. Step 3: Cross multiply
    790,142.45x = 1,090,399.46 × 427,566.30
  4. Step 4: Simplify right side
    790,142.45x = 466,218,060,496.37
  5. Step 5: Solve for x
    x = 466,218,060,496.37/790,142.45
  6. Step 6: Final answer
    x = 590,043.05

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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.