Home / 634,867.41-876,114.45-348,392.28

Finding the Fourth Proportional to 634,867.41, 876,114.45 and 348,392.28

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Solution

The fourth proportional to 634,867.41, 876,114.45 and 348,392.28 is: 480,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,867.41 : 876,114.45 = 348,392.28 : x
  2. Step 2: Convert to fraction form
    634,867.41/876,114.45 = 348,392.28/x
  3. Step 3: Cross multiply
    634,867.41x = 876,114.45 × 348,392.28
  4. Step 4: Simplify right side
    634,867.41x = 305,231,510,776.45
  5. Step 5: Solve for x
    x = 305,231,510,776.45/634,867.41
  6. Step 6: Final answer
    x = 480,779.93

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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.