Home / 790,185.56-1,090,460.93-463,431.96

Finding the Fourth Proportional to 790,185.56, 1,090,460.93 and 463,431.96

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Solution

The fourth proportional to 790,185.56, 1,090,460.93 and 463,431.96 is: 639,538.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,185.56 : 1,090,460.93 = 463,431.96 : x
  2. Step 2: Convert to fraction form
    790,185.56/1,090,460.93 = 463,431.96/x
  3. Step 3: Cross multiply
    790,185.56x = 1,090,460.93 × 463,431.96
  4. Step 4: Simplify right side
    790,185.56x = 505,354,443,776.16
  5. Step 5: Solve for x
    x = 505,354,443,776.16/790,185.56
  6. Step 6: Final answer
    x = 639,538.95

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1.5x scale

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.