Home / 634,911.24-876,188.25-348,457.98

Finding the Fourth Proportional to 634,911.24, 876,188.25 and 348,457.98

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Solution

The fourth proportional to 634,911.24, 876,188.25 and 348,457.98 is: 480,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,911.24 : 876,188.25 = 348,457.98 : x
  2. Step 2: Convert to fraction form
    634,911.24/876,188.25 = 348,457.98/x
  3. Step 3: Cross multiply
    634,911.24x = 876,188.25 × 348,457.98
  4. Step 4: Simplify right side
    634,911.24x = 305,314,787,694.74
  5. Step 5: Solve for x
    x = 305,314,787,694.74/634,911.24
  6. Step 6: Final answer
    x = 480,877.91

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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.