Home / 456,291.66-684,087.57-278,882.22

Finding the Fourth Proportional to 456,291.66, 684,087.57 and 278,882.22

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Solution

The fourth proportional to 456,291.66, 684,087.57 and 278,882.22 is: 418,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,291.66 : 684,087.57 = 278,882.22 : x
  2. Step 2: Convert to fraction form
    456,291.66/684,087.57 = 278,882.22/x
  3. Step 3: Cross multiply
    456,291.66x = 684,087.57 × 278,882.22
  4. Step 4: Simplify right side
    456,291.66x = 190,779,860,196.01
  5. Step 5: Solve for x
    x = 190,779,860,196.01/456,291.66
  6. Step 6: Final answer
    x = 418,109.46

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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.