Home / 843,956.47-1,164,586.16-499,730.64

Finding the Fourth Proportional to 843,956.47, 1,164,586.16 and 499,730.64

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Solution

The fourth proportional to 843,956.47, 1,164,586.16 and 499,730.64 is: 689,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,956.47 : 1,164,586.16 = 499,730.64 : x
  2. Step 2: Convert to fraction form
    843,956.47/1,164,586.16 = 499,730.64/x
  3. Step 3: Cross multiply
    843,956.47x = 1,164,586.16 × 499,730.64
  4. Step 4: Simplify right side
    843,956.47x = 581,979,384,418.49
  5. Step 5: Solve for x
    x = 581,979,384,418.49/843,956.47
  6. Step 6: Final answer
    x = 689,584.60

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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.