Home / 790,207.75-1,090,477.47-427,623.22

Finding the Fourth Proportional to 790,207.75, 1,090,477.47 and 427,623.22

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Solution

The fourth proportional to 790,207.75, 1,090,477.47 and 427,623.22 is: 590,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,207.75 : 1,090,477.47 = 427,623.22 : x
  2. Step 2: Convert to fraction form
    790,207.75/1,090,477.47 = 427,623.22/x
  3. Step 3: Cross multiply
    790,207.75x = 1,090,477.47 × 427,623.22
  4. Step 4: Simplify right side
    790,207.75x = 466,313,487,058.85
  5. Step 5: Solve for x
    x = 466,313,487,058.85/790,207.75
  6. Step 6: Final answer
    x = 590,115.05

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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.