Home / 818,426.79-1,129,485.76-496,150.47

Finding the Fourth Proportional to 818,426.79, 1,129,485.76 and 496,150.47

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Solution

The fourth proportional to 818,426.79, 1,129,485.76 and 496,150.47 is: 684,722.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,426.79 : 1,129,485.76 = 496,150.47 : x
  2. Step 2: Convert to fraction form
    818,426.79/1,129,485.76 = 496,150.47/x
  3. Step 3: Cross multiply
    818,426.79x = 1,129,485.76 × 496,150.47
  4. Step 4: Simplify right side
    818,426.79x = 560,394,889,441.93
  5. Step 5: Solve for x
    x = 560,394,889,441.93/818,426.79
  6. Step 6: Final answer
    x = 684,722.07

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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.