Home / 833,318.61-1,149,974.31-470,859.81

Finding the Fourth Proportional to 833,318.61, 1,149,974.31 and 470,859.81

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Solution

The fourth proportional to 833,318.61, 1,149,974.31 and 470,859.81 is: 649,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,318.61 : 1,149,974.31 = 470,859.81 : x
  2. Step 2: Convert to fraction form
    833,318.61/1,149,974.31 = 470,859.81/x
  3. Step 3: Cross multiply
    833,318.61x = 1,149,974.31 × 470,859.81
  4. Step 4: Simplify right side
    833,318.61x = 541,476,685,111.48
  5. Step 5: Solve for x
    x = 541,476,685,111.48/833,318.61
  6. Step 6: Final answer
    x = 649,783.50

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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.