Home / 790,028.30-1,090,231.30-427,444.21

Finding the Fourth Proportional to 790,028.30, 1,090,231.30 and 427,444.21

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Solution

The fourth proportional to 790,028.30, 1,090,231.30 and 427,444.21 is: 589,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,028.30 : 1,090,231.30 = 427,444.21 : x
  2. Step 2: Convert to fraction form
    790,028.30/1,090,231.30 = 427,444.21/x
  3. Step 3: Cross multiply
    790,028.30x = 1,090,231.30 × 427,444.21
  4. Step 4: Simplify right side
    790,028.30x = 466,013,050,105.94
  5. Step 5: Solve for x
    x = 466,013,050,105.94/790,028.30
  6. Step 6: Final answer
    x = 589,868.80

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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.