Home / 713,199.84-1,069,079.20-447,147.04

Finding the Fourth Proportional to 713,199.84, 1,069,079.20 and 447,147.04

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Solution

The fourth proportional to 713,199.84, 1,069,079.20 and 447,147.04 is: 670,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,199.84 : 1,069,079.20 = 447,147.04 : x
  2. Step 2: Convert to fraction form
    713,199.84/1,069,079.20 = 447,147.04/x
  3. Step 3: Cross multiply
    713,199.84x = 1,069,079.20 × 447,147.04
  4. Step 4: Simplify right side
    713,199.84x = 478,035,599,805.57
  5. Step 5: Solve for x
    x = 478,035,599,805.57/713,199.84
  6. Step 6: Final answer
    x = 670,268.80

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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.