Home / 898,100.80-1,346,435.58-518,590.64

Finding the Fourth Proportional to 898,100.80, 1,346,435.58 and 518,590.64

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Solution

The fourth proportional to 898,100.80, 1,346,435.58 and 518,590.64 is: 777,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,100.80 : 1,346,435.58 = 518,590.64 : x
  2. Step 2: Convert to fraction form
    898,100.80/1,346,435.58 = 518,590.64/x
  3. Step 3: Cross multiply
    898,100.80x = 1,346,435.58 × 518,590.64
  4. Step 4: Simplify right side
    898,100.80x = 698,248,889,150.97
  5. Step 5: Solve for x
    x = 698,248,889,150.97/898,100.80
  6. Step 6: Final answer
    x = 777,472.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.