Home / 982,895.31-1,356,813.93-660,792.15

Finding the Fourth Proportional to 982,895.31, 1,356,813.93 and 660,792.15

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Solution

The fourth proportional to 982,895.31, 1,356,813.93 and 660,792.15 is: 912,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,895.31 : 1,356,813.93 = 660,792.15 : x
  2. Step 2: Convert to fraction form
    982,895.31/1,356,813.93 = 660,792.15/x
  3. Step 3: Cross multiply
    982,895.31x = 1,356,813.93 × 660,792.15
  4. Step 4: Simplify right side
    982,895.31x = 896,571,993,954.65
  5. Step 5: Solve for x
    x = 896,571,993,954.65/982,895.31
  6. Step 6: Final answer
    x = 912,174.46

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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.