Home / 724,299.66-999,514.32-402,001.44

Finding the Fourth Proportional to 724,299.66, 999,514.32 and 402,001.44

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Solution

The fourth proportional to 724,299.66, 999,514.32 and 402,001.44 is: 554,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,299.66 : 999,514.32 = 402,001.44 : x
  2. Step 2: Convert to fraction form
    724,299.66/999,514.32 = 402,001.44/x
  3. Step 3: Cross multiply
    724,299.66x = 999,514.32 × 402,001.44
  4. Step 4: Simplify right side
    724,299.66x = 401,806,195,940.62
  5. Step 5: Solve for x
    x = 401,806,195,940.62/724,299.66
  6. Step 6: Final answer
    x = 554,751.32

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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.