Home / 818,423.29-1,129,480.91-496,146.97

Finding the Fourth Proportional to 818,423.29, 1,129,480.91 and 496,146.97

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Solution

The fourth proportional to 818,423.29, 1,129,480.91 and 496,146.97 is: 684,717.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,423.29 : 1,129,480.91 = 496,146.97 : x
  2. Step 2: Convert to fraction form
    818,423.29/1,129,480.91 = 496,146.97/x
  3. Step 3: Cross multiply
    818,423.29x = 1,129,480.91 × 496,146.97
  4. Step 4: Simplify right side
    818,423.29x = 560,388,531,169.34
  5. Step 5: Solve for x
    x = 560,388,531,169.34/818,423.29
  6. Step 6: Final answer
    x = 684,717.23

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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.