Home / 724,352.34-999,560.52-402,043.62

Finding the Fourth Proportional to 724,352.34, 999,560.52 and 402,043.62

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Solution

The fourth proportional to 724,352.34, 999,560.52 and 402,043.62 is: 554,794.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,352.34 : 999,560.52 = 402,043.62 : x
  2. Step 2: Convert to fraction form
    724,352.34/999,560.52 = 402,043.62/x
  3. Step 3: Cross multiply
    724,352.34x = 999,560.52 × 402,043.62
  4. Step 4: Simplify right side
    724,352.34x = 401,866,929,869.88
  5. Step 5: Solve for x
    x = 401,866,929,869.88/724,352.34
  6. Step 6: Final answer
    x = 554,794.83

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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.