Home / 785,890.56-1,084,546.08-463,679.04

Finding the Fourth Proportional to 785,890.56, 1,084,546.08 and 463,679.04

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Solution

The fourth proportional to 785,890.56, 1,084,546.08 and 463,679.04 is: 639,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,890.56 : 1,084,546.08 = 463,679.04 : x
  2. Step 2: Convert to fraction form
    785,890.56/1,084,546.08 = 463,679.04/x
  3. Step 3: Cross multiply
    785,890.56x = 1,084,546.08 × 463,679.04
  4. Step 4: Simplify right side
    785,890.56x = 502,881,285,210.16
  5. Step 5: Solve for x
    x = 502,881,285,210.16/785,890.56
  6. Step 6: Final answer
    x = 639,887.17

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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.