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Finding the Fourth Proportional to 501,906.18, 688,788.51 and 498,363.24

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Solution

The fourth proportional to 501,906.18, 688,788.51 and 498,363.24 is: 683,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,906.18 : 688,788.51 = 498,363.24 : x
  2. Step 2: Convert to fraction form
    501,906.18/688,788.51 = 498,363.24/x
  3. Step 3: Cross multiply
    501,906.18x = 688,788.51 × 498,363.24
  4. Step 4: Simplify right side
    501,906.18x = 343,266,873,518.37
  5. Step 5: Solve for x
    x = 343,266,873,518.37/501,906.18
  6. Step 6: Final answer
    x = 683,926.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.