Home / 790,474.83-1,185,343.08-284,969.22

Finding the Fourth Proportional to 790,474.83, 1,185,343.08 and 284,969.22

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Solution

The fourth proportional to 790,474.83, 1,185,343.08 and 284,969.22 is: 427,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,474.83 : 1,185,343.08 = 284,969.22 : x
  2. Step 2: Convert to fraction form
    790,474.83/1,185,343.08 = 284,969.22/x
  3. Step 3: Cross multiply
    790,474.83x = 1,185,343.08 × 284,969.22
  4. Step 4: Simplify right side
    790,474.83x = 337,786,292,940.00
  5. Step 5: Solve for x
    x = 337,786,292,940.00/790,474.83
  6. Step 6: Final answer
    x = 427,320.74

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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.