Home / 713,961.60-1,071,460.32-575,393.28

Finding the Fourth Proportional to 713,961.60, 1,071,460.32 and 575,393.28

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Solution

The fourth proportional to 713,961.60, 1,071,460.32 and 575,393.28 is: 863,507.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,961.60 : 1,071,460.32 = 575,393.28 : x
  2. Step 2: Convert to fraction form
    713,961.60/1,071,460.32 = 575,393.28/x
  3. Step 3: Cross multiply
    713,961.60x = 1,071,460.32 × 575,393.28
  4. Step 4: Simplify right side
    713,961.60x = 616,511,067,914.65
  5. Step 5: Solve for x
    x = 616,511,067,914.65/713,961.60
  6. Step 6: Final answer
    x = 863,507.32

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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.