Home / 785,154.84-1,177,707.15-329,987.22

Finding the Fourth Proportional to 785,154.84, 1,177,707.15 and 329,987.22

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Solution

The fourth proportional to 785,154.84, 1,177,707.15 and 329,987.22 is: 494,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,154.84 : 1,177,707.15 = 329,987.22 : x
  2. Step 2: Convert to fraction form
    785,154.84/1,177,707.15 = 329,987.22/x
  3. Step 3: Cross multiply
    785,154.84x = 1,177,707.15 × 329,987.22
  4. Step 4: Simplify right side
    785,154.84x = 388,628,308,402.62
  5. Step 5: Solve for x
    x = 388,628,308,402.62/785,154.84
  6. Step 6: Final answer
    x = 494,970.28

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1.5x scale

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.