Home / 877,399.16-1,316,623.08-806,015.48

Finding the Fourth Proportional to 877,399.16, 1,316,623.08 and 806,015.48

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Solution

The fourth proportional to 877,399.16, 1,316,623.08 and 806,015.48 is: 1,209,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,399.16 : 1,316,623.08 = 806,015.48 : x
  2. Step 2: Convert to fraction form
    877,399.16/1,316,623.08 = 806,015.48/x
  3. Step 3: Cross multiply
    877,399.16x = 1,316,623.08 × 806,015.48
  4. Step 4: Simplify right side
    877,399.16x = 1,061,218,583,805.28
  5. Step 5: Solve for x
    x = 1,061,218,583,805.28/877,399.16
  6. Step 6: Final answer
    x = 1,209,504.90

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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.