Home / 785,969.04-1,084,637.28-428,273.04

Finding the Fourth Proportional to 785,969.04, 1,084,637.28 and 428,273.04

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Solution

The fourth proportional to 785,969.04, 1,084,637.28 and 428,273.04 is: 591,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,969.04 : 1,084,637.28 = 428,273.04 : x
  2. Step 2: Convert to fraction form
    785,969.04/1,084,637.28 = 428,273.04/x
  3. Step 3: Cross multiply
    785,969.04x = 1,084,637.28 × 428,273.04
  4. Step 4: Simplify right side
    785,969.04x = 464,520,905,202.93
  5. Step 5: Solve for x
    x = 464,520,905,202.93/785,969.04
  6. Step 6: Final answer
    x = 591,016.80

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1.5x scale

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.