Home / 790,449.57-1,090,820.93-427,876.41

Finding the Fourth Proportional to 790,449.57, 1,090,820.93 and 427,876.41

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Solution

The fourth proportional to 790,449.57, 1,090,820.93 and 427,876.41 is: 590,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,449.57 : 1,090,820.93 = 427,876.41 : x
  2. Step 2: Convert to fraction form
    790,449.57/1,090,820.93 = 427,876.41/x
  3. Step 3: Cross multiply
    790,449.57x = 1,090,820.93 × 427,876.41
  4. Step 4: Simplify right side
    790,449.57x = 466,736,543,898.49
  5. Step 5: Solve for x
    x = 466,736,543,898.49/790,449.57
  6. Step 6: Final answer
    x = 590,469.73

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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.