Home / 723,378.93-1,085,057.46-302,654.81

Finding the Fourth Proportional to 723,378.93, 1,085,057.46 and 302,654.81

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Solution

The fourth proportional to 723,378.93, 1,085,057.46 and 302,654.81 is: 453,977.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,378.93 : 1,085,057.46 = 302,654.81 : x
  2. Step 2: Convert to fraction form
    723,378.93/1,085,057.46 = 302,654.81/x
  3. Step 3: Cross multiply
    723,378.93x = 1,085,057.46 × 302,654.81
  4. Step 4: Simplify right side
    723,378.93x = 328,397,853,970.10
  5. Step 5: Solve for x
    x = 328,397,853,970.10/723,378.93
  6. Step 6: Final answer
    x = 453,977.63

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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.