Home / 787,432.86-1,181,337.41-254,954.45

Finding the Fourth Proportional to 787,432.86, 1,181,337.41 and 254,954.45

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Solution

The fourth proportional to 787,432.86, 1,181,337.41 and 254,954.45 is: 382,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,432.86 : 1,181,337.41 = 254,954.45 : x
  2. Step 2: Convert to fraction form
    787,432.86/1,181,337.41 = 254,954.45/x
  3. Step 3: Cross multiply
    787,432.86x = 1,181,337.41 × 254,954.45
  4. Step 4: Simplify right side
    787,432.86x = 301,187,233,221.70
  5. Step 5: Solve for x
    x = 301,187,233,221.70/787,432.86
  6. Step 6: Final answer
    x = 382,492.59

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Double scale
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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.