Home / 867,131.04-1,300,141.56-416,955.36

Finding the Fourth Proportional to 867,131.04, 1,300,141.56 and 416,955.36

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Solution

The fourth proportional to 867,131.04, 1,300,141.56 and 416,955.36 is: 625,166.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,131.04 : 1,300,141.56 = 416,955.36 : x
  2. Step 2: Convert to fraction form
    867,131.04/1,300,141.56 = 416,955.36/x
  3. Step 3: Cross multiply
    867,131.04x = 1,300,141.56 × 416,955.36
  4. Step 4: Simplify right side
    867,131.04x = 542,100,992,200.76
  5. Step 5: Solve for x
    x = 542,100,992,200.76/867,131.04
  6. Step 6: Final answer
    x = 625,166.17

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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.