Home / 634,878.03-876,156.96-348,408.37

Finding the Fourth Proportional to 634,878.03, 876,156.96 and 348,408.37

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Solution

The fourth proportional to 634,878.03, 876,156.96 and 348,408.37 is: 480,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,878.03 : 876,156.96 = 348,408.37 : x
  2. Step 2: Convert to fraction form
    634,878.03/876,156.96 = 348,408.37/x
  3. Step 3: Cross multiply
    634,878.03x = 876,156.96 × 348,408.37
  4. Step 4: Simplify right side
    634,878.03x = 305,260,416,555.71
  5. Step 5: Solve for x
    x = 305,260,416,555.71/634,878.03
  6. Step 6: Final answer
    x = 480,817.42

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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.