Home / 723,612.71-1,085,471.33-191,126.81

Finding the Fourth Proportional to 723,612.71, 1,085,471.33 and 191,126.81

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Solution

The fourth proportional to 723,612.71, 1,085,471.33 and 191,126.81 is: 286,704.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,612.71 : 1,085,471.33 = 191,126.81 : x
  2. Step 2: Convert to fraction form
    723,612.71/1,085,471.33 = 191,126.81/x
  3. Step 3: Cross multiply
    723,612.71x = 1,085,471.33 × 191,126.81
  4. Step 4: Simplify right side
    723,612.71x = 207,462,674,407.40
  5. Step 5: Solve for x
    x = 207,462,674,407.40/723,612.71
  6. Step 6: Final answer
    x = 286,704.02

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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.