Home / 724,281.66-999,489.48-401,983.44

Finding the Fourth Proportional to 724,281.66, 999,489.48 and 401,983.44

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Solution

The fourth proportional to 724,281.66, 999,489.48 and 401,983.44 is: 554,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,281.66 : 999,489.48 = 401,983.44 : x
  2. Step 2: Convert to fraction form
    724,281.66/999,489.48 = 401,983.44/x
  3. Step 3: Cross multiply
    724,281.66x = 999,489.48 × 401,983.44
  4. Step 4: Simplify right side
    724,281.66x = 401,778,219,414.21
  5. Step 5: Solve for x
    x = 401,778,219,414.21/724,281.66
  6. Step 6: Final answer
    x = 554,726.49

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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.