Home / 818,430.82-1,129,491.24-496,154.50

Finding the Fourth Proportional to 818,430.82, 1,129,491.24 and 496,154.50

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Solution

The fourth proportional to 818,430.82, 1,129,491.24 and 496,154.50 is: 684,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,430.82 : 1,129,491.24 = 496,154.50 : x
  2. Step 2: Convert to fraction form
    818,430.82/1,129,491.24 = 496,154.50/x
  3. Step 3: Cross multiply
    818,430.82x = 1,129,491.24 × 496,154.50
  4. Step 4: Simplify right side
    818,430.82x = 560,402,161,436.58
  5. Step 5: Solve for x
    x = 560,402,161,436.58/818,430.82
  6. Step 6: Final answer
    x = 684,727.59

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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.