Home / 898,869.86-1,240,433.04-490,971.97

Finding the Fourth Proportional to 898,869.86, 1,240,433.04 and 490,971.97

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Solution

The fourth proportional to 898,869.86, 1,240,433.04 and 490,971.97 is: 677,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,869.86 : 1,240,433.04 = 490,971.97 : x
  2. Step 2: Convert to fraction form
    898,869.86/1,240,433.04 = 490,971.97/x
  3. Step 3: Cross multiply
    898,869.86x = 1,240,433.04 × 490,971.97
  4. Step 4: Simplify right side
    898,869.86x = 609,017,849,716.14
  5. Step 5: Solve for x
    x = 609,017,849,716.14/898,869.86
  6. Step 6: Final answer
    x = 677,537.29

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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.