Home / 898,467.76-1,239,876.06-490,568.32

Finding the Fourth Proportional to 898,467.76, 1,239,876.06 and 490,568.32

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Solution

The fourth proportional to 898,467.76, 1,239,876.06 and 490,568.32 is: 676,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,467.76 : 1,239,876.06 = 490,568.32 : x
  2. Step 2: Convert to fraction form
    898,467.76/1,239,876.06 = 490,568.32/x
  3. Step 3: Cross multiply
    898,467.76x = 1,239,876.06 × 490,568.32
  4. Step 4: Simplify right side
    898,467.76x = 608,243,909,563.04
  5. Step 5: Solve for x
    x = 608,243,909,563.04/898,467.76
  6. Step 6: Final answer
    x = 676,979.12

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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.