Home / 638,504.23-880,219.96-502,301.44

Finding the Fourth Proportional to 638,504.23, 880,219.96 and 502,301.44

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Solution

The fourth proportional to 638,504.23, 880,219.96 and 502,301.44 is: 692,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,504.23 : 880,219.96 = 502,301.44 : x
  2. Step 2: Convert to fraction form
    638,504.23/880,219.96 = 502,301.44/x
  3. Step 3: Cross multiply
    638,504.23x = 880,219.96 × 502,301.44
  4. Step 4: Simplify right side
    638,504.23x = 442,135,753,424.74
  5. Step 5: Solve for x
    x = 442,135,753,424.74/638,504.23
  6. Step 6: Final answer
    x = 692,455.48

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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.