Home / 783,472.87-1,175,313.80-310,047.51

Finding the Fourth Proportional to 783,472.87, 1,175,313.80 and 310,047.51

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Solution

The fourth proportional to 783,472.87, 1,175,313.80 and 310,047.51 is: 465,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,472.87 : 1,175,313.80 = 310,047.51 : x
  2. Step 2: Convert to fraction form
    783,472.87/1,175,313.80 = 310,047.51/x
  3. Step 3: Cross multiply
    783,472.87x = 1,175,313.80 × 310,047.51
  4. Step 4: Simplify right side
    783,472.87x = 364,403,115,608.40
  5. Step 5: Solve for x
    x = 364,403,115,608.40/783,472.87
  6. Step 6: Final answer
    x = 465,112.62

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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.