Home / 790,208.25-1,090,478.16-427,623.72

Finding the Fourth Proportional to 790,208.25, 1,090,478.16 and 427,623.72

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Solution

The fourth proportional to 790,208.25, 1,090,478.16 and 427,623.72 is: 590,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,208.25 : 1,090,478.16 = 427,623.72 : x
  2. Step 2: Convert to fraction form
    790,208.25/1,090,478.16 = 427,623.72/x
  3. Step 3: Cross multiply
    790,208.25x = 1,090,478.16 × 427,623.72
  4. Step 4: Simplify right side
    790,208.25x = 466,314,327,357.96
  5. Step 5: Solve for x
    x = 466,314,327,357.96/790,208.25
  6. Step 6: Final answer
    x = 590,115.74

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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.