Home / 750,266.31-1,035,084.87-492,285.66

Finding the Fourth Proportional to 750,266.31, 1,035,084.87 and 492,285.66

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Solution

The fourth proportional to 750,266.31, 1,035,084.87 and 492,285.66 is: 679,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,266.31 : 1,035,084.87 = 492,285.66 : x
  2. Step 2: Convert to fraction form
    750,266.31/1,035,084.87 = 492,285.66/x
  3. Step 3: Cross multiply
    750,266.31x = 1,035,084.87 × 492,285.66
  4. Step 4: Simplify right side
    750,266.31x = 509,557,438,383.96
  5. Step 5: Solve for x
    x = 509,557,438,383.96/750,266.31
  6. Step 6: Final answer
    x = 679,168.76

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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.