Home / 785,933.32-1,084,587.99-428,237.32

Finding the Fourth Proportional to 785,933.32, 1,084,587.99 and 428,237.32

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Solution

The fourth proportional to 785,933.32, 1,084,587.99 and 428,237.32 is: 590,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,933.32 : 1,084,587.99 = 428,237.32 : x
  2. Step 2: Convert to fraction form
    785,933.32/1,084,587.99 = 428,237.32/x
  3. Step 3: Cross multiply
    785,933.32x = 1,084,587.99 × 428,237.32
  4. Step 4: Simplify right side
    785,933.32x = 464,461,054,141.79
  5. Step 5: Solve for x
    x = 464,461,054,141.79/785,933.32
  6. Step 6: Final answer
    x = 590,967.51

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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.