Home / 898,471.41-1,239,881.07-490,571.94

Finding the Fourth Proportional to 898,471.41, 1,239,881.07 and 490,571.94

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Solution

The fourth proportional to 898,471.41, 1,239,881.07 and 490,571.94 is: 676,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,471.41 : 1,239,881.07 = 490,571.94 : x
  2. Step 2: Convert to fraction form
    898,471.41/1,239,881.07 = 490,571.94/x
  3. Step 3: Cross multiply
    898,471.41x = 1,239,881.07 × 490,571.94
  4. Step 4: Simplify right side
    898,471.41x = 608,250,861,879.18
  5. Step 5: Solve for x
    x = 608,250,861,879.18/898,471.41
  6. Step 6: Final answer
    x = 676,984.10

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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.