Home / 724,980.60-1,086,434.10-533,950.20

Finding the Fourth Proportional to 724,980.60, 1,086,434.10 and 533,950.20

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Solution

The fourth proportional to 724,980.60, 1,086,434.10 and 533,950.20 is: 800,161.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,980.60 : 1,086,434.10 = 533,950.20 : x
  2. Step 2: Convert to fraction form
    724,980.60/1,086,434.10 = 533,950.20/x
  3. Step 3: Cross multiply
    724,980.60x = 1,086,434.10 × 533,950.20
  4. Step 4: Simplify right side
    724,980.60x = 580,101,704,981.82
  5. Step 5: Solve for x
    x = 580,101,704,981.82/724,980.60
  6. Step 6: Final answer
    x = 800,161.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.