Home / 790,079.13-1,090,301.33-427,495.03

Finding the Fourth Proportional to 790,079.13, 1,090,301.33 and 427,495.03

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Solution

The fourth proportional to 790,079.13, 1,090,301.33 and 427,495.03 is: 589,938.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,079.13 : 1,090,301.33 = 427,495.03 : x
  2. Step 2: Convert to fraction form
    790,079.13/1,090,301.33 = 427,495.03/x
  3. Step 3: Cross multiply
    790,079.13x = 1,090,301.33 × 427,495.03
  4. Step 4: Simplify right side
    790,079.13x = 466,098,401,848.66
  5. Step 5: Solve for x
    x = 466,098,401,848.66/790,079.13
  6. Step 6: Final answer
    x = 589,938.89

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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.