Home / 982,878.37-1,356,790.61-660,775.25

Finding the Fourth Proportional to 982,878.37, 1,356,790.61 and 660,775.25

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Solution

The fourth proportional to 982,878.37, 1,356,790.61 and 660,775.25 is: 912,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,878.37 : 1,356,790.61 = 660,775.25 : x
  2. Step 2: Convert to fraction form
    982,878.37/1,356,790.61 = 660,775.25/x
  3. Step 3: Cross multiply
    982,878.37x = 1,356,790.61 × 660,775.25
  4. Step 4: Simplify right side
    982,878.37x = 896,533,654,520.40
  5. Step 5: Solve for x
    x = 896,533,654,520.40/982,878.37
  6. Step 6: Final answer
    x = 912,151.17

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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.