Home / 867,726.29-1,302,429.04-418,763.21

Finding the Fourth Proportional to 867,726.29, 1,302,429.04 and 418,763.21

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Solution

The fourth proportional to 867,726.29, 1,302,429.04 and 418,763.21 is: 628,550.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,726.29 : 1,302,429.04 = 418,763.21 : x
  2. Step 2: Convert to fraction form
    867,726.29/1,302,429.04 = 418,763.21/x
  3. Step 3: Cross multiply
    867,726.29x = 1,302,429.04 × 418,763.21
  4. Step 4: Simplify right side
    867,726.29x = 545,409,358,028.57
  5. Step 5: Solve for x
    x = 545,409,358,028.57/867,726.29
  6. Step 6: Final answer
    x = 628,550.00

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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.