Home / 634,945.44-876,222.16-348,470.24

Finding the Fourth Proportional to 634,945.44, 876,222.16 and 348,470.24

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Solution

The fourth proportional to 634,945.44, 876,222.16 and 348,470.24 is: 480,887.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,945.44 : 876,222.16 = 348,470.24 : x
  2. Step 2: Convert to fraction form
    634,945.44/876,222.16 = 348,470.24/x
  3. Step 3: Cross multiply
    634,945.44x = 876,222.16 × 348,470.24
  4. Step 4: Simplify right side
    634,945.44x = 305,337,346,388.52
  5. Step 5: Solve for x
    x = 305,337,346,388.52/634,945.44
  6. Step 6: Final answer
    x = 480,887.53

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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.