Home / 724,305.66-999,522.60-402,007.44

Finding the Fourth Proportional to 724,305.66, 999,522.60 and 402,007.44

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Solution

The fourth proportional to 724,305.66, 999,522.60 and 402,007.44 is: 554,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,305.66 : 999,522.60 = 402,007.44 : x
  2. Step 2: Convert to fraction form
    724,305.66/999,522.60 = 402,007.44/x
  3. Step 3: Cross multiply
    724,305.66x = 999,522.60 × 402,007.44
  4. Step 4: Simplify right side
    724,305.66x = 401,815,521,648.14
  5. Step 5: Solve for x
    x = 401,815,521,648.14/724,305.66
  6. Step 6: Final answer
    x = 554,759.60

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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.