Home / 724,175.36-999,130.82-418,211.33

Finding the Fourth Proportional to 724,175.36, 999,130.82 and 418,211.33

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Solution

The fourth proportional to 724,175.36, 999,130.82 and 418,211.33 is: 576,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,175.36 : 999,130.82 = 418,211.33 : x
  2. Step 2: Convert to fraction form
    724,175.36/999,130.82 = 418,211.33/x
  3. Step 3: Cross multiply
    724,175.36x = 999,130.82 × 418,211.33
  4. Step 4: Simplify right side
    724,175.36x = 417,847,829,076.19
  5. Step 5: Solve for x
    x = 417,847,829,076.19/724,175.36
  6. Step 6: Final answer
    x = 576,998.13

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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.