Home / 724,293.97-999,518.34-402,006.85

Finding the Fourth Proportional to 724,293.97, 999,518.34 and 402,006.85

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Solution

The fourth proportional to 724,293.97, 999,518.34 and 402,006.85 is: 554,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,293.97 : 999,518.34 = 402,006.85 : x
  2. Step 2: Convert to fraction form
    724,293.97/999,518.34 = 402,006.85/x
  3. Step 3: Cross multiply
    724,293.97x = 999,518.34 × 402,006.85
  4. Step 4: Simplify right side
    724,293.97x = 401,813,219,380.63
  5. Step 5: Solve for x
    x = 401,813,219,380.63/724,293.97
  6. Step 6: Final answer
    x = 554,765.38

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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.