Home / 898,533.25-1,239,981.88-490,637.93

Finding the Fourth Proportional to 898,533.25, 1,239,981.88 and 490,637.93

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Solution

The fourth proportional to 898,533.25, 1,239,981.88 and 490,637.93 is: 677,083.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,533.25 : 1,239,981.88 = 490,637.93 : x
  2. Step 2: Convert to fraction form
    898,533.25/1,239,981.88 = 490,637.93/x
  3. Step 3: Cross multiply
    898,533.25x = 1,239,981.88 × 490,637.93
  4. Step 4: Simplify right side
    898,533.25x = 608,382,135,414.20
  5. Step 5: Solve for x
    x = 608,382,135,414.20/898,533.25
  6. Step 6: Final answer
    x = 677,083.61

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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.