Home / 724,289.06-999,511.34-402,001.94

Finding the Fourth Proportional to 724,289.06, 999,511.34 and 402,001.94

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Solution

The fourth proportional to 724,289.06, 999,511.34 and 402,001.94 is: 554,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,289.06 : 999,511.34 = 402,001.94 : x
  2. Step 2: Convert to fraction form
    724,289.06/999,511.34 = 402,001.94/x
  3. Step 3: Cross multiply
    724,289.06x = 999,511.34 × 402,001.94
  4. Step 4: Simplify right side
    724,289.06x = 401,805,497,732.00
  5. Step 5: Solve for x
    x = 401,805,497,732.00/724,289.06
  6. Step 6: Final answer
    x = 554,758.48

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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.