Home / 909,969.60-1,364,954.40-611,371.20

Finding the Fourth Proportional to 909,969.60, 1,364,954.40 and 611,371.20

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Solution

The fourth proportional to 909,969.60, 1,364,954.40 and 611,371.20 is: 917,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,969.60 : 1,364,954.40 = 611,371.20 : x
  2. Step 2: Convert to fraction form
    909,969.60/1,364,954.40 = 611,371.20/x
  3. Step 3: Cross multiply
    909,969.60x = 1,364,954.40 × 611,371.20
  4. Step 4: Simplify right side
    909,969.60x = 834,493,809,473.28
  5. Step 5: Solve for x
    x = 834,493,809,473.28/909,969.60
  6. Step 6: Final answer
    x = 917,056.80

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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.