Home / 680,100.22-1,018,968.09-477,266.14

Finding the Fourth Proportional to 680,100.22, 1,018,968.09 and 477,266.14

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Solution

The fourth proportional to 680,100.22, 1,018,968.09 and 477,266.14 is: 715,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,100.22 : 1,018,968.09 = 477,266.14 : x
  2. Step 2: Convert to fraction form
    680,100.22/1,018,968.09 = 477,266.14/x
  3. Step 3: Cross multiply
    680,100.22x = 1,018,968.09 × 477,266.14
  4. Step 4: Simplify right side
    680,100.22x = 486,318,967,097.47
  5. Step 5: Solve for x
    x = 486,318,967,097.47/680,100.22
  6. Step 6: Final answer
    x = 715,069.56

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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.