Home / 790,179.51-1,090,439.42-427,595.43

Finding the Fourth Proportional to 790,179.51, 1,090,439.42 and 427,595.43

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Solution

The fourth proportional to 790,179.51, 1,090,439.42 and 427,595.43 is: 590,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,179.51 : 1,090,439.42 = 427,595.43 : x
  2. Step 2: Convert to fraction form
    790,179.51/1,090,439.42 = 427,595.43/x
  3. Step 3: Cross multiply
    790,179.51x = 1,090,439.42 × 427,595.43
  4. Step 4: Simplify right side
    790,179.51x = 466,266,910,545.87
  5. Step 5: Solve for x
    x = 466,266,910,545.87/790,179.51
  6. Step 6: Final answer
    x = 590,077.20

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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.