Home / 676,035.21-932,928.86-370,131.42

Finding the Fourth Proportional to 676,035.21, 932,928.86 and 370,131.42

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Solution

The fourth proportional to 676,035.21, 932,928.86 and 370,131.42 is: 510,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,035.21 : 932,928.86 = 370,131.42 : x
  2. Step 2: Convert to fraction form
    676,035.21/932,928.86 = 370,131.42/x
  3. Step 3: Cross multiply
    676,035.21x = 932,928.86 × 370,131.42
  4. Step 4: Simplify right side
    676,035.21x = 345,306,283,710.78
  5. Step 5: Solve for x
    x = 345,306,283,710.78/676,035.21
  6. Step 6: Final answer
    x = 510,781.51

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1.5x scale

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.