Home / 634,879.15-876,090.09-348,417.69

Finding the Fourth Proportional to 634,879.15, 876,090.09 and 348,417.69

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Solution

The fourth proportional to 634,879.15, 876,090.09 and 348,417.69 is: 480,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,879.15 : 876,090.09 = 348,417.69 : x
  2. Step 2: Convert to fraction form
    634,879.15/876,090.09 = 348,417.69/x
  3. Step 3: Cross multiply
    634,879.15x = 876,090.09 × 348,417.69
  4. Step 4: Simplify right side
    634,879.15x = 305,245,285,389.69
  5. Step 5: Solve for x
    x = 305,245,285,389.69/634,879.15
  6. Step 6: Final answer
    x = 480,792.74

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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.