Home / 634,887.93-876,156.03-348,434.67

Finding the Fourth Proportional to 634,887.93, 876,156.03 and 348,434.67

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Solution

The fourth proportional to 634,887.93, 876,156.03 and 348,434.67 is: 480,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,887.93 : 876,156.03 = 348,434.67 : x
  2. Step 2: Convert to fraction form
    634,887.93/876,156.03 = 348,434.67/x
  3. Step 3: Cross multiply
    634,887.93x = 876,156.03 × 348,434.67
  4. Step 4: Simplify right side
    634,887.93x = 305,283,137,181.56
  5. Step 5: Solve for x
    x = 305,283,137,181.56/634,887.93
  6. Step 6: Final answer
    x = 480,845.71

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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.