Home / 706,735.02-974,972.55-420,092.22

Finding the Fourth Proportional to 706,735.02, 974,972.55 and 420,092.22

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Solution

The fourth proportional to 706,735.02, 974,972.55 and 420,092.22 is: 579,535.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,735.02 : 974,972.55 = 420,092.22 : x
  2. Step 2: Convert to fraction form
    706,735.02/974,972.55 = 420,092.22/x
  3. Step 3: Cross multiply
    706,735.02x = 974,972.55 × 420,092.22
  4. Step 4: Simplify right side
    706,735.02x = 409,578,382,968.56
  5. Step 5: Solve for x
    x = 409,578,382,968.56/706,735.02
  6. Step 6: Final answer
    x = 579,535.99

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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.