Home / 790,530.56-1,090,932.51-427,954.40

Finding the Fourth Proportional to 790,530.56, 1,090,932.51 and 427,954.40

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Solution

The fourth proportional to 790,530.56, 1,090,932.51 and 427,954.40 is: 590,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,530.56 : 1,090,932.51 = 427,954.40 : x
  2. Step 2: Convert to fraction form
    790,530.56/1,090,932.51 = 427,954.40/x
  3. Step 3: Cross multiply
    790,530.56x = 1,090,932.51 × 427,954.40
  4. Step 4: Simplify right side
    790,530.56x = 466,869,362,302.88
  5. Step 5: Solve for x
    x = 466,869,362,302.88/790,530.56
  6. Step 6: Final answer
    x = 590,577.25

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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.